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The HI98318 is our latest pocket meter for measuring the EC/TDS of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98318 has a very large easy to read LCD displa
$85.00 $26.55
The HI981421 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temperature in hydroponic nutrient solutions. Quick to setup, simple to use, this monitor was designed with Hydropon
$505.00 $143.47
EcoPlus® Air Manifold Trumpet Style 5/8 Inch Inlet
Air Manifolds allow the adjustment of airflow to four or more air stones or air diffusers to insure that equal airflow is provided to each air diffuser or air stone.
$32.70 $7.72
Emerald Harvest Sturdy Stalk Quart/0.95 Liter
Build up your plant cell walls and encourage productivity with Sturdy Stalk®, a potassium silicate supplement from Emerald Harvest®.
$41.48 $10.08
