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Goniopora Video:
Below is a video that demonstrates the rate of water flow through my Goniopora. The main pump provides approximately 700gph after head loss and there is one MaxiJet 600 power head (160gph) mounted up high in the tank. It is important to place the corals, or adjust the water flow, so that the polyps can extend and gently flow without having to exert a lot of effort. The polyps have a natural waving motion similar to Xenia, and a strong water flow can cause them to remain more retracted. It may also cause their energy resouces to be used up faster if they are continually working against a stronger current.
There are 25 Goniopora in this tank; including 13 Goniophytes (baby Goniopora). Most of the corals are over 1 1/2 years. It is a 75g tank with a shallow sand bed, 16 pounds of live rock, and a 29g barebottom sump. The sump is unlit (no macroalgae) and is constructed like a large flow-through filter with slotted chambers for holding carbon pads, carbon media bags, phosphate media, poly filter pads, and an ASM G2 skimmer. The effeciency of the sump, the lack of live rock, and the shallow sand bed have made this tank pretty easy to tend to. The clean up crew mainly consists of small-to-micro sized blue legged hermits. The hermits do a good job of scouring the sand bed and picking over the corals without damaging them.
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