As long as you put water conditioner in the water (to get rid of chlorine/chloramine, etc. ), you can put in any mystery snail (ivory, black, blue, gold), apple snail (many times referred to as Inca snails), and assassin snails. These snails aren't the best algae cleaners, but will clean up a little bit of it. The assassin snails will eat other snails and dead fish, shrimp, etc. And are carnivores, so they won't clean any algae.
The mystery and apple snails will eat decaying or dead plant material, but not live ones, and dead fish. Their biggest source of food is leftover fish food and fish waste. They also enjoy the occasional slice of zucchini, cucumber, spinach, or lettuce.
The mystery and apple snails reproduce sexually, meaning that you need a male and female snail to make babies. They will lay eggs at the water line or in the hood of your aquarium. They will hatch in about 1-2 weeks.
If you don't want hundreds of tiny snails, simply scrape the eggs out.
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