10-14-2012, 06:22 PM
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Agree with Izzy (naturally
On the snail, all snails do eat detritus (waste from fish, dead fish and dead plant matter, uneaten food, etc) but they obviously produce waste too, so it just gets broken down into smaller bits. But this makes it easier for the bacteria to tackle. so you do get rid of the solid faster. But this is only a step in the entire process.
Malaysian Livebearing Snails are great for planted tanks because they burrow through the substrate and get into spots nothing else can.