how old is to old for live rock

[cremer9]

So I have had this 12 gallon nano for eight years I had a major algae problem big time so I wanted to get a fresh start getting rid of some old live rock full of pallys and get rid of the old deep sand bed I was just wondering should I dump all the old live rock or just scrub it ?It's in saltwater and has a pump in it now while I clean up the Tank and wait for my new sand I have dome sponge ,ric's and leather on the old rock,I just don want the algae problem to come back as bad as it was before the break down

 

[Dr.DiSilicate]

Old rock is the best! You can change out your sand. I'd look into your water source. RODI and new filters.


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[scchase]

I have some that is going on 25

 

[cremer9]

I just swapped all the filters in my ro/di membrane too..

 

[jda123]

Older is way better. Cook it if you need to, but definitely save it. The more porous, the more effective it is.