Plenum Box - For use with Opticlimates Beneficial Inoculants we recommend using a digital

we recommend using a digital fan like the Hyperfan or the Revolution Vector EC

Using the Old Version (NPK 0–9–20)

How Advanced Nutrients - Tasty Terpenes works:

Dutch Pro contains enzymes which break down dead roots into useable nutrients which the plant can absorb

Ecothrive Neutralise - an instant tap water conditioner that nullifies the effects of chlorine and chloramine

Plenum Box - For use with Opticlimates Beneficial Inoculants we recommend using a digitalPlease note: This item is purchase to order. Connect Ducting Easily to Your Opticlimate with a Plenum Box The Plenum Box is a tough insulated case that can be installed at the back of your Opticlimate Pro 3 air conditioning system. Using the Plenum Box it is possible to place the Opticlimate outside the grow room, and doing this in conjunction with a 3 way valve it can be used to split the Opticlimates air conditioning ability into to separate rooms.