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post #11 of 13 Old 07-16-2011, 04:03 PM
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all of the baffles are alittle on the high side but im not worried much. this is going on and was previously running on a 5 foot long 90 gallon and handled power outs with that. the extra height works for the fuge side because it will have 6 inches of sand. the only issue with the high water level is the skimmer sitting so low. no worries as i dont even know if im using this skimmer yet but since funds are tight i might just have to but im going to raise the skimmers height at that point.
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post #12 of 13 Old 07-16-2011, 04:12 PM
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hey, since you just mentioned funds, and you seem to know about the principles of a deep sand bed this might be a good place to bring up an idea i have been tinkering with, though i should really start a new post for it.

anyway, what do you think of the idea of a dense sponge, maybe with a ppi i of like 40 as the dsb media? im not even trying to suggest that it would be as effective as mud, or that it would even be able to offer many of the same benefits, but as long as there is enough of it, maybe just the typical 6", then conditions should turn anaerobic the same as and substrate media. i mean you can do a dsp with course gravel if it is deep enough.

All the technology for fish care has been around for billions of years.
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post #13 of 13 Old 07-16-2011, 04:21 PM
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the issue i see with the sponge is that i think it would allow for to much to collect and break down that it might be counter productive. i think you would have to rinse the sponge to frequent to keep any good bacteria alive. i cant knock it till i try it, this only seems logical to me. i think ill stick with sand.
the gravel, crushed coral would work well too, however the cracks in these substrates are to large, and the flow of a refuge is just to slow to prevent it, and they turn into nitrate issues.
for the record, i personally would avoid crushed coral, gravel, bio balls, bio wheels, and anything that has a chance to collect debris and offer time for it to break down into excess nutrients like nitrates and phosphates.
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