US$ 69.99
and selected mite species
1 x Humidity Controller
ProGuard Uses Two Powerful Kill Mechanisms ”“ No Other PCO Technology Compares
Tubular chassis provides unrivalled strength and protection
Compact Footprint: Sized for small tents
HGV Condition - PH Down, 55 Gallon Pre-Filters and selected mite species20% Phosphoric Acid pH Adjuster for Commercial Reservoirs Built around 20% food grade phosphoric acid and matched to HGV Nutrients chemistry, this pH down lowers reservoir pH on small dose volumes. The acid contributes a known phosphorus load to the program. The 20% concentration sits below industrial 7585% acid strengths, giving operators a more forgiving handle on dosing without giving up commercial throughput. The 55 gallon drum sizes it for
US$ 69.99
US$ 19.95
US$ 19.00