11-20-2013, 05:54 PM
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Originally Posted by steelersx
Surely some fish poo must settle on the bottom
The massive filter must create a huge current in the tank.
I was planning on a 900 gph pump for the 180 but was staying with black gravel. Now I am wondering about sand.
Just seems too easy to stir up.
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The trumpet snails eat fish poop that is not collected by the filters. My tanks have multiple canisters that create a circular flow in the aquarium. This mostly linear flow is easier for the fish than the turmoil of a HoB, in my experience. Some parts will have a stronger current than others, depending on decor and all. Too much current is not an issue with which I've ever had a problem.
Some sands are of a larger grain than others. My personal favorite, all things considered, is pool filter sand. It's cheap, inert, and is large enough to not get kicked up in the water. If money is of no concern, then the caribsea supernaturals sunset gold is the best. At over $1/lb, filling a large tank is quite an investment. A 50 lb bag of PFS should cost between $8 and $12. For a 180 you will need 3 such bags of sand. It's extremely rare to see people who are unhappy having made the switch from gravel to sand. Many people go on to systematically convert the rest of their tanks. I find sand to be SOOOO much easier to maintain than gravel. You certainly can still vacuum sand - it's equally easy as gravel, but it's different. There is a degree of finesse with sand, whereas vacuuming gravel is more brutish.