$15.99
This Hanna conductivity calibration solution is widely used to assure the proper performance of conductivity...
$34.99
Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments, comes in a...
$15.99
The conductivity solutions are made of high quality potassium chloride with different strengths. The solutions...
$18.99
Hanna Instruments' testing solution, ideal for gardening, laboratory work, and field experiments, comes in a bottle...
$34.99
Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments, comes in a...
$34.99
Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments, comes in a...
$15.99
All Hanna solution bottles come with a pH Vs. temperature chart together with the production...
$8.20
General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference...
$34.99
Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments, comes in a...
$14.99
Hanna Instruments' solution, ideal for gardening, laboratory work, and field experiments, comes in a bottle...
$18.99
Hanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments, comes in packaging...
$40.46
Calibration and conductivity standard solutions... a must in every grower's toolbox. The Bluelab calibration and...
$42.17
Calibration and conductivity standard solutions... a must in every grower's toolbox. The Bluelab calibration and...
$40.46
Calibration and conductivity standard solutions... a must in every grower's toolbox. The Bluelab calibration and...
$8.15
Calibration and conductivity standard solutions... a must in every grower's toolbox. The Bluelab calibration and...
$11.00
Calibration and conductivity standard solutions... a must in every grower's toolbox. The Bluelab calibration and...
$40.46
Calibration and conductivity standard solutions... a must in every grower's toolbox. The Bluelab calibration and...
$11.00
The 2.77 EC Conductivity solution is used as a reference or checking solution to ensure...
$46.86
Bluelab's 2.77EC Conductivity Solution, pH 7.0 and pH 4.0 Calibration Solutions are now available in...
$308.00
t's all you need for simple and reliable crop management and it's all within arm's...
$8.15
Calibration and conductivity standard solutions... a must in every grower's toolbox. The Bluelab calibration and...
$179.10
A handy pack with everything you need to get going and keep growing! The Bluelab...
$327.60
Stay connected to your crop 24/7. Monitor, data log, and remotely view pH, conductivity and...
$448.20
Stay connected to your crop 24/7. Monitor, data log, and remotely view pH, conductivity and...
$28.62
Power supply unit with international plug adaptors for North America, Australia/New Zealand, UK and Europe.Designed...
$10.76
CF/EC cleaning kit: Full color laminated instructions Conductivity standard solution De-canter vessel Liquid probe cleaner...
$40.46
Bluelab's 2.77EC Conductivity Solution, pH 7.0 and pH 4.0 Calibration Solutions are now available in...
$48.95
Calibration and conductivity standard solutions... a must in every grower's toolbox. The Bluelab calibration and...
$65.95
Calibration and conductivity standard solutions... a must in every grower's toolbox. The Bluelab calibration and...
$40.46
Bluelab's 2.77EC Conductivity Solution, pH 7.0 and pH 4.0 Calibration Solutions are now available in...
Capital City Hydroponics is now closed.
Come visit us at CAPITAL CITY ORGANICS in Brookland, DC
11am-7pm Mon-Sat ;
11am-5pm Sundays