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Burrowing snails & anaerobic substrate
I noticed before re-doing the substrate in a tank, that my burrowing snails
seemed to be spending more and more time out of the substrate. After a total
upheaval and addition of various substrate additives, laterite and flourite,
I hardly notice the snails anymore. Maybe they didin't like the smell down
<< >I have a bunch of burrowing snails,
These do not burrow that deep, maybe 2 inches at best.
>healthy roots bring in oxygen to break up the dark
>areas, though some roots do sometimes show black
>areas. A while back, I stirred up the gravel and a
>bunch of bubbles came up. I wonder if any of it
>diffused into the water. Could this be why some stems
>are fine when one RIGHT NEXT TO IT could be stunted?