Hydro-Logic Pre-Evolution KDF/Catalytic Carbon Filter They are much thicker and

They are much thicker and more durable than traditional blow-molded nursery pots and other injection molded pots

cobalt and molybdenum as well as many chelated micronutrients such as copper

Mother Earth® Coco is pre-buffered and pH adjusted to neutral at 6

1 American National Standards

The vertical airflow results in an optimal uniform microclimate at plant level

Hydro-Logic Pre-Evolution KDF/Catalytic Carbon Filter They are much thicker andKDF Catalytic Carbon Pre Filter reduces iron, sulfur, chlorine, chloramines and heavy metals. The pre filters double the filter life. Great for city or well water! Bacteriostatic qualities do not allow microbes to breed in filter. #728772 is 20 in x 2. 5 in. #741630 is 12 in x 2 in. #741640 is 10 in x 4. 5 in.