06-18-2009, 11:38 PM
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Just imho, but I like snails. They keep the gravel aerated, the eat algae off the glass and off the plant leaves, and they're kinda cute. My betta tank and my husband's tank have lots of snails, but they're not causing any harm.
Plus, their population will not increase indefinitely. They'll reproduce, but as long as you're not overfeeding the tank, the population will eventually level off to what the tank can sustain. For example, in my betta tank, where the only food I add are a few betta pellets every day, the snail population has stayed small.