Active Air-Timer reflective-and-greenhouse-films The support strings pull out

The support strings pull out and retract like a yo-yo

EZ-CLONE Cloning Collars are available in 17

including coco coir

and IP66 rated for use in wet environments with a maximum ambient operating temperature of 40°C

Milwaukee pH & Temperature Monitor with Wifi

Active Air-Timer reflective-and-greenhouse-films The support strings pull outDeliver growth boosting CO2 with our user friendly, easy to operate system. With its programmable timer, it will automatically maintain ideal CO2 levels for optimum growth. For small to medium size areas, select the COSYS; for larger than 10' x 10' areas, select the COSYS20. To use Hydrofarm's CO2 Flow Rate Calculator, click HERE NOTE: Current COSYS & COSYS20 now come equipped with a black rubber O ring that has replaced the white plastic washer.