Koenders Windmill Replacement Parts Biofilter Mix at a rate of

Mix at a rate of 10 gram per liter of water

Please see Specs/ Sizing tab for sizes and lengths

Decoupling is the next frontier in Aquaponics

and one 7" aluminum oxide air stone with check valve

5” FNPT inlet and 1

Koenders Windmill Replacement Parts Biofilter Mix at a rate ofReplacement parts for your existing Koenders Windmill Windmills that were purchased before the year 2000 will be a generation 1 unit, and require "old style" parts. Any unit purchased after the year 2000 will be a Generation 2 or newer. Most parts are interchangeable for single and double diaphragm units, though double diaphragm units require the 26" blades and 2 diaphragm repair kits.