Hydroponic growing lets you give the best care possible to your plants. The quality of care is in your control.
The Bluelab pH Pen provides a compact, quick and handy way to manage the success of your crops to ensure maximum uptake of nutrients.
pH and Nutrient Testing
Meter Bluelab pH Pen
$126.14
Meter Bluelab Conductivity Pen
$104.94
GH pH Test Kit
$8.63
GH pH Up - qt
$14.25
Meter HM Digital pH 80
$49.29
GH pH Down - Qt
$14.25
GH pH Control Kit
$20.68