Hydroponics is a method of growing plants using mineral nutrient solutions, in water, without soil. Terrestrial plants may be grown with their roots in the mineral nutrient solution only or in an inert medium, such as perlite, gravel, mineral wool, or coconut husk
High capacity pre-filter for Merlin-Garden Pro with upgraded KDF85/Catalytic Carbon filter. 6,000 gallon filter life. Adds 2 extra pre-filter stages before Merlin-GP.