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#1
06-09-2006, 05:59 AM
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I have a 120 FOWRL with aragonite sand (very coarse). I use a gravel cleaner/vacuum (basically smaller siphon hose into a much larger diameter pipe) and clean the gravel about once a month. It's not a big job and I do most areas that I can reach when I do it. The fish (mixed angels, butterfly, tang and some small guys) eat quite a bit and I don’t feed too sparingly. The cleaning seems to do the trick, as the water quality is stable, nitrates low (but not zero), and the fish happy. While I skim a lot, I think if you didn't clean the sand bed/gravel the accumulated waste would become problematic over time. Even with a bare bottom it seems to me that you have to physically remove some proteinaceous material from the system at some point.
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#2
06-09-2006, 08:17 AM
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Go
I was having a similar concern in one of my nanos. It houses a mantis shrimp, so the cleaning crew will inevitably be short-lived.
 I tried something new tonight: I put a short length of PVC over the powerhead in the sump (using an elastic band as an O-ring), and filled it with a fine filter media. I then used a turkey baster to blow all the crud off the rock. With the attachment on the powerhead, the water clears up within an hour or so (as opposed to overnight without it). After three blasts over the course of the evening, the crud in the tank was very noticeably less. Tomorrow I'll take off the PVC attachment so it doesn't become a nitrate trap, then I'll just siphon out the bottom of the sump. Too easy.  I'm sure this could work on a larger tank.________ Marijuana Strain Index Last edited by Flusher; 04-21-2011 at 02:59 PM.
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