Barebottom Transition


New member
In my 90 i currently have ~65 lbs of live rock and 2 clowns and a 6lined wrasse. My substrate is currently an oolite crushed coral mix.

Can i drain the tank and pull the substrate and put everything back


Do i need to spread out the substrate removal over time to allow the tank to adjust?

I would say it is 60 lbs of substrate.


New member
IMO It would be better to do it with weekly WC and string it out over 4 to 5 times.
Rather be safe than sorry. 5 weeks is a spit in the bucket in this hobby.


New member
How deep is the sand bed? Disturbing it could release toxins into the water. I went bare bottom long ago. I might be tempted to do it all at once and check parameters....