I have 4 mystery snails in a 5 gallon vertical with my betta, Cheesecake. Temp is about 78 degrees F, parameters are 0/0/15. pH is around 6.4. Soft water around 50 ppm.Betta is fed daily, but the tank is fully planted so I only feed the snails every 2-3 days. They get homemade snello, which has...