pH Adjustment

hf-ces-phdown
Concentrated pH adjustment liquid, acidic buffer lowers water and nutrient solution pH. Highly concentrated, use conservatively. Slowly add to pure water or nutrient solution, at small intervals. Note beginning reading and then test pH. Repeat the small application process and stir well, until the desired pH is achieved.
$10.75
Availability: 10 in stock
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hf-ces-phup
Concentrated pH adjustment liquid, alkaline buffer raises water and nutrient solution pH. Highly concentrated, use conservatively. Slowly add to pure water or nutrient solution, at small intervals. Note beginning reading and then test pH. Repeat the small application process and stir well, until the desired pH is achieved.
$10.75
Availability: 2 in stock
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hf-grostar-ph-cal2
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
$18.99
Availability: 5 in stock
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hf-grostar-ph-cal3
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.
$28.99
Availability: 5 in stock
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hf-grostar-ph-kit
All-in-one maintanence kit provides everything you need to maintain, clean and store your GroStar pH probe
$23.99
Availability: 5 in stock
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hf-ml-ph-down-1qt
Microbe Life Hydroponics pH DOWN is formulated with R/O and UV sterilized water and combines two pH adjusters for buffered effectiveness. It contains three electrolytes to help maintain osmotic balance.
$25.99
Availability: 10 in stock
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hf-ml-ph-up-1qt
Microbe Life pH Up is formulated with R/O and UV sterilized water and combine two pH adjusters for buffered effectiveness. Microbe Life pH Up contains three electrolytes to help maintain osmotic balance. Microbe Life's pH Up is safe for use in hydroponic and aquaponic environments and will not harm plants.
$25.99
Availability: 10 in stock
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