Active Air-Timer Options:Hydrofarm CO2 (.2-2 cu ft per hour) with Timer Use Rock Resinator starting the

Use Rock Resinator starting the second week of flowering through harvest at a rate of 4 ml/gal for lower EC and up to 8 ml/gal for higher EC

both novice and experienced growers should recognize superior performance and outstanding results

it has been determined that the Mag 750 pump (EZWP750) can be used as a replacement for the 32-site

lumen output

Active Air-Timer Options:Hydrofarm CO2 (.2-2 cu ft per hour) with Timer Use Rock Resinator starting theDeliver 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.