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Thread: Gravel Vacuum help please
02-12-2013, 11:23 AM #11
I had a vacuum system I counldn't even get sand to upflow because the tube diameter was too large on the uptake and the drain pipe is a little small - simple solution for a gravel system: either icrease intake tube size or (easier) restrict outflow tube; better still, I am not draining a vast amount of tank water when I vacuum the substrate and stirring is easier. That said, I added a smaller intake tube just to pull sand up nicely (goes 1/2 to 3/4, allowing sirt to be removed but the sand falls back into place - nice.)Knowledge is fun(damental)
A 75 gal with eight Discus, fake plants, and a lot of wood also with sand substrate. Clean up crew is down to just two Sterba's Corys. Filters: continuous new water flow; canister w/UV, in-tank algae scrubber!! Finally, junked the nitrate removal unit from hell.
For Fishless cycling:http://www.aquaticcommunity.com/aqua...ead.php?t=5640