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1382 PPM Buffer Solution. 4 fl oz Control Wizard Products 1382 Conductivity Standard. 4 oz. bottle. Use to calibrate all meters that use the 1 EC to 500 ppm water standard. Adwa, Hanna, Oakton, Milwaukie. If your meter won't calibrate chances are you are using the wrong standard to calibrate it.... — Ships via UPS from Portland, Oregon USA...more.
Bluelab pH 4.0 Calibration Solution 250ml (6/Cs) Bluelab pH 4.0 Calibration Solution
pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration Solutions should be stored in a cool place out of direct sun and heat. Please keep out of reach of children. They should be stored with th... Note: Calibration Buffer Solutions are available separately.This item is sold individually....more.
Botanicare PH Down Gallon (4/Cs) Botanicare pH Up and pH Down
With plants, nutrient availability can be affected by soil or solution pH. pH levels outside recommended ranges can lead to nutrient lockout and nutrient deficiencies resulting in stunted growth and poor appearance. Control pH levels, minimize problems and maximize your plants’ full potential with Botanicare’s pH Up and pH Down solutions.
Bota... This item is sold individually....more.
Botanicare PH Up Gallon (4/Cs) Botanicare pH Up and pH Down
With plants, nutrient availability can be affected by soil or solution pH. pH levels outside recommended ranges can lead to nutrient lockout and nutrient deficiencies resulting in stunted growth and poor appearance. Control pH levels, minimize problems and maximize your plants’ full potential with Botanicare’s pH Up and pH Down solutions.
Bota... This item is sold individually....more.
Botanicare PH Up Quart (12/Cs) Botanicare pH Up and pH Down
With plants, nutrient availability can be affected by soil or solution pH. pH levels outside recommended ranges can lead to nutrient lockout and nutrient deficiencies resulting in stunted growth and poor appearance. Control pH levels, minimize problems and maximize your plants’ full potential with Botanicare’s pH Up and pH Down solutions.
Bota... This item is sold individually....more.
Hanna 7.01, 1413 uS/cm, and Cleaning Solution Hanna Instruments Cleaning Kits
Single-dose sachets are quick and easy to use. Each sealed, light tight sachets holds just the right amount of solution. Every time your instrument is calibrated using these HANNA sachets, it is using a newly-opened bottle of solution.
Item #716474:
This kit includes:
(5) pH 7.01 buffer solution sachets • HI70007P
(5) 1413 μS/cm EC soluti... ...more.
HANNA GROCHEK® CLEAN & CALIBRATION CHECK SOLUTION (25/CASE) (SPECIAL ORDER ONLY) HANNA GROCHEK® CLEAN & CALIBRATION CHECK SOLUTION (25/CASE) (SPECIAL ORDER ONLY) (716817) FOR Hanna Waterproof pH/EC/TDS Temp Meter W/pH Electrode Diagnostic HI 9813-6
pH electrodes are commonly designed to produce and output signal equal to 0 mV when immersed in a solution with pH 7. But a constant output value at pH 7 occurs as a result of certain adverse events, such as: A ... This item is sold individually....more.
pH & TDS Cleaning & Calibration Solution Kit (HI pHTDSKIT) Attractive, easily shelved packaging, with both written and photographic instructions on solution use. Aggressively priced to encourage customers to purchase more maintenance solutions.
Includes five each of pH 7.01, 1500 ppm, and cleaning solution (20 mL sachets)... Note: Calibration Buffer Solutions are available separately. — Ships from Seattle, Washington USA...more.
eco-5524E
$14.64
PH DOWN 15% GALLON Grow More pH Down 15%
Convenient ready to use liquids, concentrated, H.P. filtered, fast acting, high purity food grade ingredients. pH Down - to lower pH of nutrient solution with phosphoric acid.
MSRP: $19.89... ...more.
721700
$15.42
PH DOWN 15% QUART Grow More pH Down 15%
Convenient ready to use liquids, concentrated, H.P. filtered, fast acting, high purity food grade ingredients. pH Down - to lower pH of nutrient solution with phosphoric acid.
MSRP: $8.59... ...more.
721695
$6.66
PH UP 15% GALLON Grow More pH Up 15%
Convenient ready to use liquids, concentrated, H.P. filtered, fast acting, high purity food grade ingredients. pH Up – To raise pH of nutrient solution with Potassium Hydroxide.
MSRP: $19.89... ...more.
721690
$15.42
PH UP 15% QUART Grow More pH Up 15%
Convenient ready to use liquids, concentrated, H.P. filtered, fast acting, high purity food grade ingredients. pH Up – To raise pH of nutrient solution with Potassium Hydroxide.
MSRP: $8.59... ...more.
X Nutrients pH Down 2.5 Gallons X Nutrients pH Up & Down
pH is the measurement of water quality. Soil or water can be too acidic or too alkaline. A pH of 7 is neutral. In general plants respond best to a pH between 5.5 and 6.5 for maximum nutrient absorbency. pH-Up and pH-Down adjust the acid/alkaline balance of your water. pH that is either too high or low will prevent plants from absorbing nutrients. To... — Ships separately from Perris, California; Cranston, Rhode Island; Portland, Oregon; Aurora, Colorado; Dallas, Texas USA...more.
X Nutrients pH Down 5 Gallons X Nutrients pH Up & Down
pH is the measurement of water quality. Soil or water can be too acidic or too alkaline. A pH of 7 is neutral. In general plants respond best to a pH between 5.5 and 6.5 for maximum nutrient absorbency. pH-Up and pH-Down adjust the acid/alkaline balance of your water. pH that is either too high or low will prevent plants from absorbing nutrients. To... — LTL Shipping Required — Ships from Perris, California; Cranston, Rhode Island; Portland, Oregon; Aurora, Colorado; Dallas, Texas USA...more.
X Nutrients pH Down Gallon X Nutrients pH Up & Down
pH is the measurement of water quality. Soil or water can be too acidic or too alkaline. A pH of 7 is neutral. In general plants respond best to a pH between 5.5 and 6.5 for maximum nutrient absorbency. pH-Up and pH-Down adjust the acid/alkaline balance of your water. pH that is either too high or low will prevent plants from absorbing nutrients. To... — Ships from Perris, California; Cranston, Rhode Island; Portland, Oregon; Aurora, Colorado; Dallas, Texas USA...more.
X Nutrients pH Down Quart X Nutrients pH Up & Down
pH is the measurement of water quality. Soil or water can be too acidic or too alkaline. A pH of 7 is neutral. In general plants respond best to a pH between 5.5 and 6.5 for maximum nutrient absorbency. pH-Up and pH-Down adjust the acid/alkaline balance of your water. pH that is either too high or low will prevent plants from absorbing nutrients. To... — Ships from Perris, California; Cranston, Rhode Island; Portland, Oregon; Aurora, Colorado; Dallas, Texas USA...more.
Meters, Timers & Instruments
