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In the gardening and hydroponics industries, it is imperative to use a product that attacks and completely eliminates strong and undesirable odors that can create problems for growers. Ona's wide spectrum formulation is designed to attack any type of odor
$19.99 $16.99
Measure Master Graduated Round Container 64 oz / 2000 ml
$14.53 $12.35
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 $116.20
HI7004-023 is a high quality pH 4.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof
$16.50 $14.49
