i should specify these are a few small daffodil brichardis (Neolamprologus pulcher) and 8 large and very much moving and roaming apples. would the buffers prevent the snails from breeding? they seem really happy otherwise, they eat, then they sleep then they move around and poop lol none of them have ventured out of the water the way the zebra nerites seem to. i've put the zebras back in the other tanks where they stay underwater. my only other options for them are a 30 gallon koi overwintering tank, or a ten gallon half empty gourami rehab tank.