I have yet to make adjustment to regulate the flow, so I added wire mesh to put on top of the spray bar to make the flow from spray to ebb. Tubing and Spray bar (DIY from plastic tube bought from LFS) Tube for overflow, which I drilled a hole in the Tray at the most isolated section of the Tray.ĩ.
Tray: I found the tray at the kitchen section in hardware store only SGD1.90, it is supposed to be used as an organizer for cutlery for small drawer.Ĩ. The items used can be found at any LFS or Pet store and hardware store.Ģ. A micron bag full of porous bio-media for added on biological filtration. The filtration system consists of: a submersible air power mini spong filter to provide for mechanical. The worms are further separated from the filtration system by have a overflow box - microwave container from kitchen. The big size gravels help prevent the worms floating out while at the same time are easier to clean than say, sand. The water is drained back to a section of the aquarium with some big size gravels. The tray provides for barriers (Bulkheads) to keep most of the worms from draining. The way it works is to re-circulate filtered water to a tray containing the worms.
The idea is to have a system to provide mechanical and biological filtration while providing circulation and make easy to harvest the worms.
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