samedi 13 septembre 2014

Removing live rock

I just started the process of doing a live rock cook to eradicate a hair algae explosion that came about due to my negligence during a tough time. Yesterday, I removed all of the live rock, did the brush/swirl, and it's all sitting in a bin with a powerhead as I write this.



The reason I removed it all is because I want to get into the tank and siphon all the detritus (the tank is bare-bottom) and clean all of the glass really well. My plan is to return some of the less-infested rock to the tank because I don't want it to be without any biological filter at all.



Some parameters:

60g cube, bare-bottom, sump, skimmer.

Fish: starry blenny, foxface, ocellaris clown, orchid dottyback

Coral: one small rock of mushrooms

LR: ~ 60lbs, all somewhat infested with hair algae, some quite infested.



So I have a few questions. I was able to find some information with a search but it wasn't completely satisfactory for my specific situation:


  1. How long is it reasonable to leave the tank without any LR while I do maintenance, without risking problems for the fish? Can it be maintained like that indefinitely (I expect 10 weeks of cooking time) if I do intense water changes?

  2. If not, how much rock do I really need to add back to keep the tank stable while the rest cooks, i.e. what is a minimal poundage of rock for my bioload?






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