04-08-2008, 05:47 PM
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Nice looking tank. If those are some sort of swords or java fern, then fertilizer will definitely help them grow faster. Whether or not they *need* fertilizer to survive is a different story. They may, since you've only got the one snail and a betta in that tank (i.e. you don't have a very big source of natural plant food). I keep my tanks a little more stocked than that so I've never had to worry about fertilization, so I'm no expert on fertilizer toxicity in snails. I'm sure someone else here will know, though.