These assembly includes 6" air diffusers, a underlay plate (to keep diffuser out of mud) and a check valve to prevent water from backing up into the airline. Standard air hose fitting is 1/2".
4-Stone Diffuser Manifold - Typically used where the depth is less than 8' or in smaller ponds with smaller compressors. It requires 1.5 to 2.4 cfm. S1 underlay (included) prevents sediment erosion and suspension. Outlet 1/2" male barb fitting and 4 ALR23M Sweetwater® diffusers also included.
6-Stone Diffuser Manifold - Usually recommended in 8' to 40' of water and requires 3–7 cfm. S1 underlay (included) prevents sediment erosion and suspension. Outlet 1/2" male barb fitting and 6 ALR23M Sweetwater® diffusers also included.
8-Stone Diffuser Manifold - The MOAD ("Mother of All Diffusers"). Use this for the really deep lakes. Requires 6–10 cfm and it has a 5/8" hose barb inlet. Incldues 8 ALR23M Sweetwater® diffusers.
If you are going to be away for any period of time, be sure to leave a contact phone number with your pond watcher so they will know who to call in case of an emergency.
Automatic feeders can also play an important part of your vacation plans.