You don't need to use anything other than lettuce. Float a lettuce leaf in the aquarium overnight, and in the morning it will be covered with snails. Then, take it out and throw it away. Do this until there are no more snails.
Yes, At that temperature you wil probably kill the gravel as well.
A low pH can cause the calcium carbonate shells of snails to deteriorate, and eventually kill the snails. A pH of 7.0+ is best.
In the aquarium were water, weed, sunfish, snails, and a neon fish.
yes
oh yes, I bought four snails for my aquarium and ended up with hundreds. the babies are really cute but they multiply really fast.
they can't
yes it does kill snails
Some snails have very interestingly designed shells and can add color and uniqueness to an aquarium. Also, snails are an algae consumer and help clean the aquarium. Some fish also require snails as part of their diet, such as some puffers.
before it dies
yes
Aquarium snails are different from regular land snails. All aquatic snails have gills. Just like their land relatives, these snails also have radula(rasping tongue),tentacles, and hard shells. Aquatic snails do not have as developed eyes as land snails. Many aquatic snails have a door or an opcerium at the entrance of their shell. Some aquatic snails also grow to the size of a baseball.
Yes, bleach will kill the bacteria in your aquarium, but it will also kill everything else in the tank.