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Calibration and Cleaning Solutions

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Grow More pH Down 30%, gallon
This item cannot be shipped outside of the U.S. due to shipping restrictions. Grow More pH Do..
Ships Free
On Orders Over $149!
$31.89 $30.85
Grow More pH Down 30%, quart
This item cannot be shipped outside of the U.S. due to shipping restrictions. Grow More pH Do..
Ships Free
On Orders Over $149!
$12.10 $11.60
Grow More pH Up 30%, gallon
This item cannot be shipped outside of the U.S. due to shipping restrictions. Grow More pH Up..
Ships Free
On Orders Over $149!
$31.89 $30.85
Grow More pH Up 30%, quart
This item cannot be shipped outside of the U.S. due to shipping restrictions. Grow More pH Up..
Ships Free
On Orders Over $149!
$12.10 $11.60
General Hydroponics pH Control Kit
This item cannot be shipped outside of the U.S. due to shipping restrictions. General Hydropo..
Ships Free
On Orders Over $149!
$17.20 $13.75
General Hydroponics pH Down, Gallon
This item cannot be shipped outside of the U.S. due to shipping restrictions. General Hydropo..
Ships Free
On Orders Over $149!
$26.90 $25.65
General Hydroponics pH Down, Quart
This item cannot be shipped outside of the U.S. due to shipping restrictions. General Hydropo..
Ships Free
On Orders Over $149!
$10.80 $10.15
General Hydroponics pH Up, Gallon
This item cannot be shipped outside of the U.S. due to shipping restrictions. General Hydropo..
Ships Free
On Orders Over $149!
$26.90 $25.65
General Hydroponics pH Up, Quart
This item cannot be shipped outside of the U.S. due to shipping restrictions. General Hydropo..
Ships Free
On Orders Over $149!
$10.80 $10.15
Hanna 1500PPM Calibration Solution, 16 oz.
Hanna 1500PPM Calibration Solution, 16 oz. Hanna 1500PPM Calibration Solution, 16 oz is produ..
Ships Free
On Orders Over $99!
$20.49 $18.50
Hanna pH 4 Calibration Solution, 16 oz.
Hanna pH 4 Calibration Solution, 16 oz. HANNA®' buffer solutions are prepared according to pr..
Ships Free
On Orders Over $99!
$18.75 $17.00
Hanna pH 7 Calibration Solution, 16 oz.
Hanna pH 7 Calibration Solution, 16 oz. HANNA®' buffer solutions are prepared according to pr..
Ships Free
On Orders Over $99!
$19.29 $17.35
HM Digital TDS Calibration Solution 1000 ppm
HM Digital TDS Calibration Solution 1000 ppm For optimal performance, re-calibrate y..
Ships Free
On Orders Over $49!
$7.95 $5.85
Oakton 1413 TDS Solution, 500 ml
Oakton 1413 TDS Solution, 500 ml Solution made specifically for Oakton meters and testers. Al..
Ships Free
On Orders Over $99!
$16.95 $16.70
Oakton pH 4.01 Calibration Solution, 500 ml
Oakton pH 4.01 Calibration Solution, 500 ml Solution made specifically for Oakton meters and ..
Ships Free
On Orders Over $99!
$16.95 $15.75
Oakton pH 7.00 Calibration Solution, 500 ml
Oakton pH 7.00 Calibration Solution, 500 ml Solution made specifically for Oakton meters and ..
Ships Free
On Orders Over $99!
$16.95 $15.75
pH Calibration Solution 4.01, 8 oz.
pH Calibration Solution 4.01, 8 oz. A few minutes and a small amount of this balanced pH Cali..
Ships Free
On Orders Over $49!
$7.50 $6.69
pH Calibration Solution 7.0, 8 oz.
pH Calibration Solution 7.0, 8 oz. This 8 oz bottle of solution is all your customers need fo..
Ships Free
On Orders Over $49!
$7.50 $6.69
TDS PPM Calibration Solution 1500ppm, 8 oz.
TDS PPM Calibration Solution 1500ppm, 8 oz. TDS Calibration Solution for use with TDS testers..
Ships Free
On Orders Over $49!
$8.50 $6.99
Cal Check Solution, 20ml
Cal Check Solution, 20ml These sachets are for use with the Hanna HI9813-6 GroChek portable p..
Ships Free
On Orders Over $49!
$1.84 $1.70
Hanna pH 7.01 Calibration Solution, 20ML packet
Hanna pH 7.01 Calibration Solution, 20ML packet The Hanna 7.01 pH Calibration 20 ml Packet is..
Ships Free
On Orders Over $49!
$2.99 $1.75
Microbe Life, pH Down
Microbe Life, pH Down When used as directed, Microbe Life/pH Decrease: • Safely lowers pH..
$14.95 $13.80
Microbe Life, pH Up
Microbe Life, pH Up When used as directed, Microbe Life/pH Increase: • Safely raises pH l..
$14.95 $13.80
Bluelab Nutrient Probe Care Kit Conductivity
Bluelab Nutrient Probe Care Kit Conductivity The instrument is only as accurate as the probe ..
Ships Free
On Orders Over $99!
$11.95 $10.79
Bluelab pH Probe KCI Storage Solution, 100ml
Bluelab pH Probe KCI Storage Solution, 100ml The perfect solution to store and hydrate your B..
Ships Free
On Orders Over $49!
$11.95 $10.75

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