Air Bear 20x25x5 (4 7/8) Air Filter Replacement MERV 8 Pleated Plus Carbon 1 Pack spl_luxx You can use enzymes to

You can use enzymes to flush or add them to the nutrient solution throughout the grow cycle

The Grow1 Deep Water Culture Kit is the answer

Inner Dimensions: 3/16''

HOW DO LIGHT ROOM GROW TENTS KEEP THE LIGHT OUT

The Cloning Rack Tray has a flat bottom and thin raised ridges for plenty of drainage and easy cleaning

Air Bear 20x25x5 (4 7/8) Air Filter Replacement MERV 8 Pleated Plus Carbon 1 Pack spl_luxx You can use enzymes toImportant Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter. It's best if you measure your air filter for the EXACT size and compare it to our "Actual Size" and then you can be sure your A C air filter fits! With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer. We also carry 4 3 8 and 5 1 4 inch depth filters,