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GroStar pH calibration kit (pH 4/7/10, 8 oz. each)GroStar by Apera pH calibration kit (pH 4/7/10, 8 oz. each) Kit Includes: (1) pH 4.0 calibration solution 8 oz. (1) pH 7.0 calibration solution 8 oz. (1) pH 10.0 calibration solution 8 oz. pH measuring equipment must be cleaned and calibrated regularly to...
- Regular price
- $22.17
- Regular price
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$26.60 - Sale price
- $22.17
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GroStar pH Probe Maintanence KitAll-in-one maintanence kit provides everything you need to maintain, clean and store your GroStar pH probe Kit Includes: 3M KCL storage solution (4oz.) Cleaning solution (8oz.) CalPod solution organizer Probe cleaning brush Wash bottle
- Regular price
- $18.35
- Regular price
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$22.02 - Sale price
- $18.35
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GroStar EC Calibration Kit (2.77 EC, 8 oz. each)GroStar by Apera EC Calibration Kit (2.77 EC, 8 oz. each) • 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...
- Regular price
- $15.29
- Regular price
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$17.42 - Sale price
- $15.29
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GroStar EC Calibration Kit (2.77 EC, 8 oz. each)GroStar by Apera pH calibration kit (pH 4/7, 8 oz. each) Kit includes: (1) 8 oz. pH 4.0 calibration solution (1) 8 oz. pH 7.0 calibration solution pH measuring equipment must be cleaned and calibrated regularly to ensure accurate readings. High accuracy (0. 01...
- Regular price
- $14.52
- Regular price
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$17.42 - Sale price
- $14.52
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GroStar GS1 PH/Temp (2-IN-1) PenGroStar GS1 pH/Temp (2-in-1) Pen The GroStar GS1 pH/Temp (2-in-1) Pen is a compact and reliable digital testing meter designed for accurately measuring both pH levels and temperature in hydroponic systems, reservoirs, nutrient solutions, aquariums, irrigation water, and horticultural applications. Built for growers, hydroponic...
- Regular price
- $92.81
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$115.99 - Sale price
- $92.81
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