right, this thread has been a while in the making. first you'll need lockable spaghetti container, i picked these up for £2.39 each. unfortunately as rare as rocking horse 5h1te.
drill 25mm hole with spade end drill bit.
cut half(ish) of the thread off a 22mm tank connector. 50 ish p from various places.
put a washer either side of the plastic container and screw connector in place. they can be tightened with a spanner, sideways in the case of the nut at the bottom of the container.
cut some sponge to size. the sponge i'm using for the bottom is not as fine as the top sponge, this should allow better flow from underneath, and prevent media going into the tank.
and the finished article. ain't they purdy??!?
i will prolly run a thin bead of sealant around the lid seal just to be on the safe side. may even make a disc with holes drilled in to spread the flow up through the media a bit better. then it just needs to be wet tested.
also think that this basic model could be adapted to make a kalk stirrer, or a calcium reactor. maybe even a zeovit reactor.




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