Active Air CO2 System with Timer, 0.2-2 cu ft per hour Aeration #4 Perlite (1/3" - 3/4"

#4 Perlite (1/3" - 3/4" granules)

soil & soilless

feed your plants with Beastie Bloomz® every other watering according to package directions and FoxFarm's Feeding Schedule

SledgeHammer® is designed for organic gardening and can be used for both hydroponic and soil applications

Active Air CO2 System with Timer, 0.2-2 cu ft per hour Aeration #4 Perlite (1/3" - 3/4"Active Air CO2 System with Timer, 0. 2 2 cu ft per hour Product Details Deliver 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