Originally Posted by lilyth88
do i need them if i go the gravel route? would shrimp be better?
Mystery Snail is not picky with substrate when pooping.
shrimps have poop too but not as much, id' say the regularity is almost the same as a fish or snail.
it's up to you whatever substrate you choose, gravel, glass marbles, soil, no substrate, you still have to vacuum or at least pick up the poop with a turkey baster. incidentally, my boss told me that you can keep the vacuumed water & waste and use it as fertilizers for your garden or other plants, he said they are really good ferts.