US$ 14.95
Trichoderma virens strain G-41
Unlike rockwool
and other low pH feeders
Perlite is used to grow small-leafed crops such as micro-greens in conjunction with Nutrient Film Technique (NFT)
Two duct sizes cover the range: 165 CFM at 4 inches and 352 CFM at 6 inches
QuietCool 8 Hour Electronic Timer with Hold Propagation Tools & Accessories Trichoderma virens strain G-41The QuietCool 8 Hour Electronic Timer with Hold is designed to control all QuietCool whole house fans and allow for automatic operation at a single speed. When combined with a speed control switch, the QuietCool 8 Hour Timer can operate at multiple speeds. Features Works on all QuietCool Fans Works for 1, 2, 4, 8 hours or indefinitely with the hold function. When installed in conjunction with a speed control switch, can operate at multiple speeds. Can
US$ 14.95
US$ 12.95
US$ 11.99
US$ 35.00
US$ 15.00
US$ 11.99
US$ 49.99
US$ 13.99