Meters & Solutions

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Grow More pH Down 30% Gallon

Convenient ready to use liquids, concentrated, fast acting, high purity food grade ingredients. Use ..

$22.24 $18.24

Grow More pH Up 30% Quart

Convenient ready to use liquids, concentrated, fast acting, high purity food grade ingredients. Use ..

$8.34 $6.84

Grow More pH Up 30% Gallon

Convenient ready to use liquids, concentrated, fast acting, high purity food grade ingredients. Use ..

$22.24 $18.24

Hades Down 5 Gallon

This blend of organic acids lowers your nutrient solution's pH. It's our pH down. Don't worry if you..

$325.00 $266.50

Hades Down Gallon

This blend of organic acids lowers your nutrient solution's pH. It's our pH down. Don't worry if you..

$80.00 $65.60

Hanna 12880 S/ cm conductivity solution

This Hanna conductivity calibration solution is widely used to assure the proper performance of cond..

$15.99 $13.11

Hanna 12880mS/cm Calib Sol 20ml

Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments..

$1.40 $1.15

Hanna 1382 PPM TDS Solution 20 ml

Hanna packet solutions are prepared according to precise formulas and are standardized with a pH met..

$1.40 $1.15

Hanna 1382ppm Solution, 230ml

The conductivity solutions are made of high quality potassium chloride with different strengths. The..

$15.99 $13.11

Hanna 1382ppm TDS Sol, 460ml

Hanna Instruments' testing solution, ideal for gardening, laboratory work, and field experiments, co..

$18.99 $15.57

Hanna 1382PPM@25c Calibration Soluti

Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments..

$1.40 $1.15

Hanna 1413mS/cm Calibration Sol. 25x

Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments..

$1.40 $1.15

Hanna 1413mS/cm Sol. 230mL

All Hanna solution bottles come with a pH Vs. temperature chart together with the production lot # a..

$15.99 $13.11

Hanna 1413uS/CM Calibration Solution Pint

TDS solution are produced with high-quality potassium chloride in various concentrations. They are s..

$18.95 $15.54

Hanna 1500PPM Calibration Solution Pint

TDS solution are produced with high-quality potassium chloride in various concentrations. They are s..

$18.95 $15.54