{"title":"GroStar Indoor Grow Equipment and Supplies","description":"\u003cp\u003eGroStar Indoor Grow Equipment and Supplies bring together the grow products available from GroStar in one brand-focused collection.\u003c\/p\u003e\n\u003cp\u003eUse GroStar Indoor Grow Equipment and Supplies when you want to compare products from the same manufacturer across grow tents, grow lights, climate control, harvesting tools, extraction equipment, planting supplies, watering parts, nutrients, propagation products, and other indoor gardening categories. Keeping the brand view together makes it easier to check compatibility, replacement parts, warranties, controllers, accessories, and system expansion options before you build or update a setup.\u003c\/p\u003e\n\u003cp\u003eGroStar products can span several parts of a grow room, so a brand collection helps narrow the catalog before you compare dimensions, coverage, capacity, wattage, airflow, reservoir size, formula type, media format, or installation requirements. Review each product page for exact specifications, package contents, voltage, fittings, replacement items, and manufacturer guidance.\u003c\/p\u003e\n\u003cp\u003eAt Grow Tents Depot, GroStar Indoor Grow Equipment and Supplies are organized so growers can browse GroStar products without jumping between unrelated category pages.\u003c\/p\u003e\n\u003cp\u003eBefore ordering, compare the selected products against your plant count, canopy size, growing method, available floor space, electrical capacity, water source, feeding routine, ventilation layout, and maintenance preferences. Checking those details up front helps avoid mismatched parts, undersized equipment, duplicate accessories, unstable environmental control, and unnecessary returns after the grow room is already assembled.\u003c\/p\u003e","products":[{"product_id":"grostar-gs1-ph-temp-2-in-1-pen","title":"GroStar GS1 PH\/Temp (2-IN-1) Pen","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Details: \u003c\/strong\u003eAI11010 - GroStar GS1 PH\/Temp (2-IN-1) Pen Lab grade instruments designed specifically for growers! Includes: - 2-year warranty (instrument) - 1-year warranty, Swiss made (probe) - pH 7 and pH4 calibration solution (50ml bottle each) - KCL storage solution (10ml bottle) - Lanyard and user manual\u003c\/li\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cli\u003eFeatures: - Measures pH and temperature - Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance - Easy-to-use design and fast calibration adjustment - Double junction replaceable probe, so you don't have to discard the entire pen when the probe reaches its end of life - Large 3-color backlit screen gives you clear information - IP67 waterproof rating - Powered by AAA batteries with auto off function - Automatic temperature compensation\u003c\/li\u003e\u003ch6\u003eSpecifications\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eCE_Registration: \u003c\/strong\u003eYes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eROHS_Registration: \u003c\/strong\u003eYes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarcodes: \u003c\/strong\u003e810214031574 (UPC-A) 10810214031571 (GTIN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions: \u003c\/strong\u003e5.3L x 10.0W x 1.8H (EA) 14.2L x 20.9W x 18.1H (CS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight: \u003c\/strong\u003e0.6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight: \u003c\/strong\u003e0.6 lbs.\u003c\/li\u003e\u003ch6\u003eData Sheets\u003c\/h6\u003e\n\u003cli\u003eDownload the instructions: \u003ca href=\"https:\/\/s3.amazonaws.com\/hydrofarmpubdocs\/gs1phuserguidev6-e.pdf\" target=\"_blank\" title=\"User Guide - GroStar GS1 pH Pen Tester\" rel=\"noopener noreferrer\"\u003ehere\u003c\/a\u003e\n\u003c\/li\u003e","brand":"GroStar","offers":[{"title":"Default Title","offer_id":49264053485810,"sku":"AI11010","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/6634\/3666\/files\/grostar-gs1-ph-temp-2-in-1-pen-1.jpg?v=1779755766"},{"product_id":"grostar-gs3-ec-500ppm-700ppm-temp-4-in-1-pen","title":"GroStar GS3 EC\/500ppm\/700ppm\/Temp (4-IN-1) Pen","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Details: \u003c\/strong\u003eAI11030 - GroStar GS3 EC\/500ppm\/700ppm\/Temp (4-IN-1) Pen Lab grade instruments designed specifically for growers! Includes: - 2-year warranty (instrument) - 1-year warranty (probe) - 2.77 EC calibration solution, 50 ml bottle Features: - Measures conductivity EC, PPM (500), PPM (700) and temperature - Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance - Titanium alloy sensor designed for high accuracy EC measurement - Easy-to-use design and fast calibration adjustment. - Large 3-color backlit screen gives you clear information - IP67 waterproof rating - Replaceable probe - Powered by AAA batteries with auto off function - Automatic temperature compensation\u003c\/li\u003e\u003ch6\u003eSpecifications\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eCE_Registration: \u003c\/strong\u003eYes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eROHS_Registration: \u003c\/strong\u003eYes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarcodes: \u003c\/strong\u003e810214031598 (UPC-A) 10810214031595 (GTIN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions: \u003c\/strong\u003e5.3L x 10.0W x 1.8H (EA) 14.2L x 20.9W x 18.1H (CS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight: \u003c\/strong\u003e0.6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight: \u003c\/strong\u003e0.6 lbs.\u003c\/li\u003e\u003ch6\u003eData Sheets\u003c\/h6\u003e\n\u003cli\u003eDownload the instructions: \u003ca href=\"https:\/\/s3.amazonaws.com\/hydrofarmpubdocs\/gs3ecuserguidev6-e.pdf\" target=\"_blank\" title=\"User Guide - GroStar GS3 EC Pen Tester\" rel=\"noopener noreferrer\"\u003ehere\u003c\/a\u003e\n\u003c\/li\u003e","brand":"GroStar","offers":[{"title":"Default Title","offer_id":49264059384050,"sku":"AI11030","price":124.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/6634\/3666\/files\/grostar-gs3-ec-500ppm-700ppm-temp-4-in-1-pen-1.jpg?v=1779755795"},{"product_id":"grostar-gs4-ph-ec-500ppm-700ppm-temp-5-in-1-combo-pen","title":"GroStar GS4 pH\/EC\/500ppm\/700ppm\/Temp (5-in-1) Combo Pen","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Details: \u003c\/strong\u003eAI21040 - GroStar GS4 pH\/EC\/500ppm\/700ppm and Temp (5-in-1) Combo Pen Lab grade instruments designed specifically for growers! Includes: - 2-year warranty (instrument) - 1-year warranty (probe) - pH 7 and pH4 calibration solution (50ml bottle each) - 2.77 EC calibration solution (50ml bottle) - KCL storage solution (10ml bottle) - Lanyard and user manual Features: - Measures pH, conductivity (EC and 500ppm\/700ppm) and temperature (5-in-1) - Compatible with all GroStar replacement probes: pH, Soil pH, EC and PH\/EC Combo - Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance - Easy-to-use design and fast calibration adjustment - Double junction replaceable probe, so you don't have to discard the entire pen when the probe reaches its end of life - Large 3-color backlit screen gives you clear information - Durable structure, IP67 waterproof rating - Powered by AAA batteries with auto off function - Automatic temperature compensation\u003c\/li\u003e\u003ch6\u003eSpecifications\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eCE_Registration: \u003c\/strong\u003eYes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eROHS_Registration: \u003c\/strong\u003eYes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions: \u003c\/strong\u003e5.3L x 10.0W x 1.8H (EA) 14.2L x 20.9W x 18.1H (CS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarcodes: \u003c\/strong\u003e810214031604 (UPC-A) 10810214031601 (GTIN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight: \u003c\/strong\u003e0.8 lbs.\u003c\/li\u003e\u003ch6\u003eData Sheets\u003c\/h6\u003e\n\u003cli\u003eDownload the instructions: \u003ca href=\"https:\/\/s3.amazonaws.com\/hydrofarmpubdocs\/gs4phecuserguidefinalv6-e.pdf\" target=\"_blank\" title=\"User Guide - GroStar GS4 pH EC Pen Tester\" rel=\"noopener noreferrer\"\u003ehere\u003c\/a\u003e\n\u003c\/li\u003e","brand":"GroStar","offers":[{"title":"Default Title","offer_id":49264063938802,"sku":"AI21040","price":185.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/6634\/3666\/files\/grostar-gs4-ph-ec-500ppm-700ppm-temp-5-in-1-combo-pen-1.jpg?v=1779755824"},{"product_id":"grostar-gs2-soil-ph-temp-2-in-1-pen","title":"GroStar GS2 Soil PH\/Temp (2-IN-1) Pen","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Details: \u003c\/strong\u003eAI31020 - GroStar GS2 Soil PH\/TEMP (2-IN-1) Pen Lab grade instruments designed specifically for growers! Includes: - 2-year warranty (instrument) - 1-year warranty Swiss made (probe) - pH 7 and pH 4 solution (50ml bottles of each) - KCL soaking solution (10ml bottle) - Cleaning brush - Hole dibber - Lanyard and user manual Features: - Measures pH and temperature in nutrient solution, soil, coco coir, rockwool, and many other media types - Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance - Impact-resistant spear glass tip, 10 times stronger than conventional glass bulb - PTFE ring prevents a clogged junction caused by soil particles, significantly increases durability - Backed by GroStar proprietary sensor technology from Switzerland - Easy-to-use design and fast calibration adjustment - Replaceable Swiss LabSen Spear Soil pH Probe - Large 3-color backlit screen gives you clear information - Durable structure, IP67 waterproof rating - Powered by AAA batteries with auto off function - Automatic temperature compensation\u003c\/li\u003e\u003ch6\u003eSpecifications\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eCE_Registration: \u003c\/strong\u003eYes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eROHS_Registration: \u003c\/strong\u003eYes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarcodes: \u003c\/strong\u003e810214031581 (UPC-A) 10810214031588 (GTIN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions: \u003c\/strong\u003e5.3L x 10.0W x 1.8H (EA) 14.2L x 20.9W x 18.1H (CS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight: \u003c\/strong\u003e0.7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight: \u003c\/strong\u003e0.7 lbs.\u003c\/li\u003e\u003ch6\u003eData Sheets\u003c\/h6\u003e\n\u003cli\u003eDownload the instructions: \u003ca href=\"https:\/\/s3.amazonaws.com\/hydrofarmpubdocs\/gs2soilphuserguidev6-e.pdf\" target=\"_blank\" title=\"User Guide - GroStar GS2 Soil pH Pen Tester\" rel=\"noopener noreferrer\"\u003ehere\u003c\/a\u003e\n\u003c\/li\u003e","brand":"GroStar","offers":[{"title":"Default Title","offer_id":49264069673202,"sku":"AI31020","price":258.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/6634\/3666\/files\/grostar-gs2-soil-ph-temp-2-in-1-pen-1.jpg?v=1779755851"},{"product_id":"grostar-gs1-e-replacement-ph-electrode","title":"GroStar GS1-E replacement pH electrode","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Details: \u003c\/strong\u003eAI58010 - GroStar GS1-E replacement pH electrode\u003c\/li\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cli\u003e- Replacement GS1 probe measures pH and temperature - Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance - Low-resistance lithium glass membrane - double junction structure uses blue gel electrolyte without the air bubble - 1-year warranty\u003c\/li\u003e\u003ch6\u003eSpecifications\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions: \u003c\/strong\u003e1.3L x 4.0W x 1.3H (EA) 3.8L x 7.1W x 5.1H (CS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarcodes: \u003c\/strong\u003e810214031611 (UPC-A) 10810214031618 (GTIN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight: \u003c\/strong\u003e0.2 lbs.\u003c\/li\u003e\u003ch6\u003eData Sheets\u003c\/h6\u003e\n\u003cli\u003eDownload the instructions: \u003ca href=\"https:\/\/s3.amazonaws.com\/hydrofarmpubdocs\/gs1phuserguidev6-e.pdf\" target=\"_blank\" title=\"User Guide - GroStar GS1 pH Pen Tester\" rel=\"noopener noreferrer\"\u003ehere\u003c\/a\u003e\n\u003c\/li\u003e","brand":"GroStar","offers":[{"title":"Default Title","offer_id":49264074260722,"sku":"AI58010","price":80.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/6634\/3666\/files\/grostar-gs1-e-replacement-ph-electrode-1.jpg?v=1779755880"},{"product_id":"grostar-gs2-e-replacement-soil-spear-ph-electrode","title":"GroStar GS2-E replacement Soil Spear pH electrode","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Details: \u003c\/strong\u003eAI58020 - GroStar GS2-E replacement Soil Spear pH electrode\u003c\/li\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cli\u003e- Spear pH Probe measures pH and temperature in nutrient solution, soil, coco coir, rockwool, and many other media types - Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance - Impact-resistant spear glass tip, 10 times stronger than conventional glass bulb - PTFE ring prevents a clogged junction caused by soil particles, significantly increases durability - Backed by Apera's Swiss LabSen proprietary sensor technology - 1-year warranty\u003c\/li\u003e\u003ch6\u003eSpecifications\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions: \u003c\/strong\u003e1.3L x 4.0W x 1.3H (EA) 5.7L x 10.5W x 7.5H (CS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarcodes: \u003c\/strong\u003e810214031628 (UPC-A) 10810214031625 (GTIN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight: \u003c\/strong\u003e0.3 lbs.\u003c\/li\u003e\u003ch6\u003eData Sheets\u003c\/h6\u003e\n\u003cli\u003eDownload the instructions: \u003ca href=\"https:\/\/s3.amazonaws.com\/hydrofarmpubdocs\/gs2soilphuserguidev6-e.pdf\" target=\"_blank\" title=\"User Guide - GroStar GS2 Soil pH Pen Tester\" rel=\"noopener noreferrer\"\u003ehere\u003c\/a\u003e\n\u003c\/li\u003e","brand":"GroStar","offers":[{"title":"Default Title","offer_id":49264079503602,"sku":"AI58020","price":187.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/6634\/3666\/files\/grostar-gs2-e-replacement-soil-spear-ph-electrode-1.jpg?v=1779755909"},{"product_id":"grostar-gs3-e-replacement-ec-electrode","title":"GroStar GS3-E replacement EC electrode","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Details: \u003c\/strong\u003eAI58030 - GroStar GS3-E replacement EC electrode\u003c\/li\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cli\u003e- Measures conductivity EC, PPM (500), PPM (700) and temperature - Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance - Titanium alloy sensor designed for high accuracy EC measurement - 1-year warranty\u003c\/li\u003e\u003ch6\u003eSpecifications\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions: \u003c\/strong\u003e1.3L x 4.0W x 1.3H (EA) 3.8L x 7.1W x 5.1H (CS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarcodes: \u003c\/strong\u003e810214031635 (UPC-A) 10810214031632 (GTIN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight: \u003c\/strong\u003e0.2 lbs.\u003c\/li\u003e\u003ch6\u003eData Sheets\u003c\/h6\u003e\n\u003cli\u003eDownload the instructions: \u003ca href=\"https:\/\/s3.amazonaws.com\/hydrofarmpubdocs\/gs3ecuserguidev6-e.pdf\" target=\"_blank\" title=\"User Guide - GroStar GS3 EC Pen Tester\" rel=\"noopener noreferrer\"\u003ehere\u003c\/a\u003e\n\u003c\/li\u003e","brand":"GroStar","offers":[{"title":"Default Title","offer_id":49264083894514,"sku":"AI58030","price":82.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/6634\/3666\/files\/grostar-gs3-e-replacement-ec-electrode-1.jpg?v=1779755939"},{"product_id":"grostar-gs4-e-replacement-ph-ec-combo-electrode","title":"GroStar GS4-E replacement pH\/EC combo electrode","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Details: \u003c\/strong\u003eAI58040 - GroStar GS4-E replacement pH\/EC combo electrode\u003c\/li\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cli\u003e- Measures pH, conductivity (EC and PPM) and temperature - Combo probe built with lithium glass membrane and titanium alloy to ensure high accuracy and durability - Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance - double junction structure uses blue gel electrolyte without the air bubble - 1-year warranty\u003c\/li\u003e\u003ch6\u003eSpecifications\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions: \u003c\/strong\u003e1.3L x 4.0W x 1.3H (EA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarcodes: \u003c\/strong\u003e810214031642 (UPC-A) 10810214031649 (GTIN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight: \u003c\/strong\u003e0.2 lbs.\u003c\/li\u003e\u003ch6\u003eData Sheets\u003c\/h6\u003e\n\u003cli\u003eDownload the instructions: \u003ca href=\"https:\/\/s3.amazonaws.com\/hydrofarmpubdocs\/gs4phecuserguidefinalv6-e.pdf\" target=\"_blank\" title=\"User Guide - GroStar GS4 pH EC Pen Tester\" rel=\"noopener noreferrer\"\u003ehere\u003c\/a\u003e\n\u003c\/li\u003e","brand":"GroStar","offers":[{"title":"Default Title","offer_id":49264088678642,"sku":"AI58040","price":100.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/6634\/3666\/files\/grostar-gs4-e-replacement-ph-ec-combo-electrode-1.jpg?v=1779755967"},{"product_id":"grostar-ph-calibration-kit-ph-4-7-8-oz-each","title":"GroStar pH calibration kit (pH 4\/7 8 oz. each)","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Details: \u003c\/strong\u003eGroStar by Apera pH calibration kit (pH 4\/7, 8 oz. each)\u003c\/li\u003e\u003ch6\u003eSpecifications\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarcodes: \u003c\/strong\u003e810214030010 (UPC-A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions: \u003c\/strong\u003e5.0L x 7.0W x 4.0H (EA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight: \u003c\/strong\u003e1 lbs.\u003c\/li\u003e\u003ch6\u003eData Sheets\u003c\/h6\u003e\n\u003cli\u003eDownload the SDS P H ORP Storage Solution Apera Instruments: \u003ca href=\"https:\/\/s3.amazonaws.com\/hydrofarmpubdocs\/sds-phorpstoragesolution-aperainstruments.pdf\" rel=\"noopener noreferrer\" target=\"_blank\" title=\"SDS P H ORP Storage Solution Apera Instruments\"\u003ehere\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eDownload the SDS P H 4.00 Buffer Solution Apera Instruments: \u003ca href=\"https:\/\/s3.amazonaws.com\/hydrofarmpubdocs\/sds-ph4.00buffersolution-aperainstruments.pdf\" rel=\"noopener noreferrer\" target=\"_blank\" title=\"SDS P H 4.00 Buffer Solution Apera Instruments\"\u003ehere\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eDownload the SDS P H 7.00 Buffer Solution Apera Instruments: \u003ca href=\"https:\/\/s3.amazonaws.com\/hydrofarmpubdocs\/sds-ph7.00buffersolution-aperainstruments.pdf\" rel=\"noopener noreferrer\" target=\"_blank\" title=\"SDS P H 7.00 Buffer Solution Apera Instruments\"\u003ehere\u003c\/a\u003e\n\u003c\/li\u003e\u003ch6\u003eKit Contents\u003c\/h6\u003e\n\u003cli\u003e(1) 8 oz. pH 4.0 calibration solution\u003c\/li\u003e\n\u003cli\u003e(1) 8 oz. pH 7.0 calibration solution\u003c\/li\u003e\n\u003cli\u003epH measuring equipment must be cleaned and calibrated regularly to ensure accurate readings.\u003c\/li\u003e\n\u003cli\u003eHigh accuracy (0. 01 pH): standardized against NIST Certified pH references within 0. 01 pH at 25 C (77 F). ideal for the calibration of all pH meters\u003c\/li\u003e\n\u003cli\u003eColor-coded, double-sealed, 1-year shelf life\u003c\/li\u003e\n\u003cli\u003eExpiration date and temperature\/ph reference chart provided for reference\u003c\/li\u003e\n\u003cli\u003eNon-hazardous product\u003c\/li\u003e\n\u003cli\u003eCalibration Solution should be stored in a cool place out of direct sun and heat.\u003c\/li\u003e","brand":"GroStar","offers":[{"title":"Default Title","offer_id":49264093167858,"sku":"AI61113","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/6634\/3666\/files\/grostar-ph-calibration-kit-ph-4-7-8-oz-each-1.jpg?v=1779755997"},{"product_id":"grostar-ph-calibration-kit-ph-4-7-10-8-oz-each","title":"GroStar pH calibration kit (pH 4\/7\/10 8 oz. each)","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Details: \u003c\/strong\u003eGroStar by Apera pH calibration kit (pH 4\/7\/10, 8 oz. each)\u003c\/li\u003e\u003ch6\u003eSpecifications\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarcodes: \u003c\/strong\u003e810214030034 (UPC-A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions: \u003c\/strong\u003e5.0L x 7.0W x 4.0H (EA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight: \u003c\/strong\u003e1.5 lbs.\u003c\/li\u003e\u003ch6\u003eData Sheets\u003c\/h6\u003e\n\u003cli\u003eDownload the SDS P H 4.00 Buffer Solution Apera Instruments: \u003ca href=\"https:\/\/s3.amazonaws.com\/hydrofarmpubdocs\/sds-ph4.00buffersolution-aperainstruments.pdf\" rel=\"noopener noreferrer\" target=\"_blank\" title=\"SDS P H 4.00 Buffer Solution Apera Instruments\"\u003ehere\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eDownload the SDS P H ORP Storage Solution Apera Instruments: \u003ca href=\"https:\/\/s3.amazonaws.com\/hydrofarmpubdocs\/sds-phorpstoragesolution-aperainstruments.pdf\" rel=\"noopener noreferrer\" target=\"_blank\" title=\"SDS P H ORP Storage Solution Apera Instruments\"\u003ehere\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eDownload the SDS P H 7.00 Buffer Solution Apera Instruments: \u003ca href=\"https:\/\/s3.amazonaws.com\/hydrofarmpubdocs\/sds-ph7.00buffersolution-aperainstruments.pdf\" rel=\"noopener noreferrer\" target=\"_blank\" title=\"SDS P H 7.00 Buffer Solution Apera Instruments\"\u003ehere\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eDownload the SDS P H 10.01 Buffer Solution Apera Instruments: \u003ca href=\"https:\/\/s3.amazonaws.com\/hydrofarmpubdocs\/sds-ph10.01buffersolution-aperainstruments.pdf\" rel=\"noopener noreferrer\" target=\"_blank\" title=\"SDS P H 10.01 Buffer Solution Apera Instruments\"\u003ehere\u003c\/a\u003e\n\u003c\/li\u003e\u003ch6\u003eKit Contents\u003c\/h6\u003e\n\u003cli\u003e(1) pH 4.0 calibration solution 8 oz.\u003c\/li\u003e\n\u003cli\u003e(1) pH 7.0 calibration solution 8 oz.\u003c\/li\u003e\n\u003cli\u003e(1) pH 10.0 calibration solution 8 oz.\u003c\/li\u003e\n\u003cli\u003epH measuring equipment must be cleaned and calibrated regularly to ensure accurate readings\u003c\/li\u003e\n\u003cli\u003eHigh accuracy (0. 01 pH): standardized against NIST Certified pH references within 0. 01 pH at 25 C (77 F). ideal for the calibration of all pH meters\u003c\/li\u003e\n\u003cli\u003eColor-coded, double-sealed, 1-year shelf life\u003c\/li\u003e\n\u003cli\u003eExpiration date and temperature\/ph reference chart provided for reference\u003c\/li\u003e\n\u003cli\u003eNon-hazardous product\u003c\/li\u003e\n\u003cli\u003eCalibration Solution should be stored in a cool place out of direct sun and heat\u003c\/li\u003e","brand":"GroStar","offers":[{"title":"Default Title","offer_id":49264096641266,"sku":"AI61115","price":56.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/6634\/3666\/files\/grostar-ph-calibration-kit-ph-4-7-10-8-oz-each-1.jpg?v=1779756026"},{"product_id":"grostar-ph-probe-maintanence-kit","title":"GroStar pH Probe Maintanence Kit","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Details: \u003c\/strong\u003eAll-in-one maintanence kit provides everything you need to maintain, clean and store your GroStar pH probe\u003c\/li\u003e\u003ch6\u003eSpecifications\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarcodes: \u003c\/strong\u003e810214031659 (UPC-A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions: \u003c\/strong\u003e5.0L x 7.0W x 4.0H (EA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight: \u003c\/strong\u003e1 lbs.\u003c\/li\u003e\u003ch6\u003eKit Contents\u003c\/h6\u003e\n\u003cli\u003e3M KCL storage solution (4oz.)\u003c\/li\u003e\n\u003cli\u003eCleaning solution (8oz.)\u003c\/li\u003e\n\u003cli\u003eCalPod solution organizer\u003c\/li\u003e\n\u003cli\u003eProbe cleaning brush\u003c\/li\u003e\n\u003cli\u003eWash bottle\u003c\/li\u003e","brand":"GroStar","offers":[{"title":"Default Title","offer_id":49264099885298,"sku":"AI61170","price":52.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/6634\/3666\/files\/grostar-ph-probe-maintanence-kit-1.jpg?v=1779756055"},{"product_id":"grostar-ec-calibration-kit-2-77-ec-8-oz-each","title":"GroStar EC Calibration Kit (2.77 EC 8 oz. each)","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Details: \u003c\/strong\u003eGroStar by Apera EC Calibration Kit (2.77 EC, 8 oz. each)\u003c\/li\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cli\u003e- 2.77 EC conductivity standard calibration solution - Used as a reference or checking solution to ensure you have adequately cleaned the EC\/ppm probe - Calibration Solution should be stored in a cool place out of direct sun and heat. - Non-hazardous product - Please keep out of reach of children - Made in USA\u003c\/li\u003e\u003ch6\u003eSpecifications\u003c\/h6\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarcodes: \u003c\/strong\u003e810214031666 (UPC-A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions: \u003c\/strong\u003e2.5L x 2.5W x 5.3H (EA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight: \u003c\/strong\u003e0.5 lbs.\u003c\/li\u003e\u003ch6\u003eData Sheets\u003c\/h6\u003e\n\u003cli\u003eDownload the data sheet: \u003ca href=\"https:\/\/s3.amazonaws.com\/hydrofarmpubdocs\/sds-conductivitystandardsolution1413-aperainstrument.pdf\" target=\"_blank\" title=\"SDS - 1413 Conductivity Standard Solution - Apera Instruments\" rel=\"noopener noreferrer\"\u003ehere\u003c\/a\u003e\n\u003c\/li\u003e","brand":"GroStar","offers":[{"title":"Default Title","offer_id":49264103882994,"sku":"AI71117","price":46.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/6634\/3666\/files\/grostar-ec-calibration-kit-2-77-ec-8-oz-each-1.jpg?v=1779756083"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/6634\/3666\/collections\/grostar-gs2-soil-ph-temp-2-in-1-pen-1.jpg?v=1779961811","url":"https:\/\/growtentsdepot.com\/collections\/grostar-indoor-grow-equipment-and-supplies.oembed","provider":"Grow Tents Depot","version":"1.0","type":"link"}