HL KDF 85 FILTER 4.5 IN X 20 IN MOTHER EARTH The #4 is the largest

The #4 is the largest perlite on the market and averages around 1 in

This unique formulation offers a naturally sweet carbohydrate along with organic carbon

Accurate and easy to adjust CO2 flow meter

Pockets of nutrients and water in the soil which were once unreachable by standard root systems are now made accessible through the "super-mining" effects which mycorrhizae gift to your plants

Seeing is believing

HL KDF 85 FILTER 4.5 IN X 20 IN MOTHER EARTH The #4 is the largestHydro Logic KDF Catalytic Carbon Upgrade Filters are advanced carbon block pre filters effective in capturing water soluble metals, chlorine, chloramines and scale. The carbon media is more porous than coco carbon providing a wider range of filtration. Replacement should be performed when inlet pressure and outlet pressure difference is greater than 10%. NOTE: Systems come standard with Hydro Logic Green Coconut Carbon Filters but Hydro Logic KDF