What is it?
This is in my old 30 gallon under super low PC light. The tank sat empty with only heat and flow for the better part of a year and a half. Did a few water changes, and vacumed the sand a few times to "cook" everything, it's temporarily housing some stuff that's too good to toss, but the bubble-like stuf came back on it's own...
Recommended Comments
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.