Setting Up a new tank

kevin34

Active Member
I want to downsize from a 125g reef to a 55g frag tank at the end of the summer and was wondering if I can just use water from my 125 to fill the 55. like 30g from the 125 and 20 being new saltwater.
 

kevin34

Active Member
Some of the rock. Probably not the sand. But what results have people gotten when doing this? Any spikes or algea breakouts?
 

patrick8929

Active Member
that would be just fine, i think the 30 and 20 is a good idea, but if you do get new sand you may see a spike, i might be wrong, but i would just monitor for the first couple of weeks.
 

patrick8929

Active Member
well i would say there shouldnt be a problem. as long as the rocks dont sit out in the open with no water or anything so there would be die off, i dont think there would be any kind of spike, your basically doing a big water change.
 
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