yes it does kill snails
As of recent experiments, two drops of liquid JANOLA ( sodium hydrochlorite 42mg/l ) if the water is clear, if cloudy double the dosage. NOTE only tested on bacterial and fungal microbes.
No it is not.
The ingredients of janola are... Sodium Hypochlorite-NaOCL Chlorine-CL Sodium Hydroxide-NaOH and that is all.
is an acid
Janola is the brand name of a liquid bleach that is used for clothing. Canola is an oil typically used to fry food in.
YES
salt.
yes it can
There are many chemicals that will kill freshwater snails but they will also kill fish and some will kill plants too. The best way I have found to remove snails is to have a few Clown loaches (Botia macracantha) or a couple of freshwater Puffer fish to kill and eat them.
kill them
No, snails don't kill frogs they actual help frogs by eating harmful bacteria.