Three 30% water changes in three days

[Brieninsac]

Is it safe to do this in a cycled reef tank? I have a fair amount of green hair algae from high phosphates I'd like to remove. I just installed new RO/DI filters and would like to get new water in and also rebalance the trace minerals.

 

[ssgss gogeta]

Of course provide your basic chemistry matches aswell as temp. So like same or very similar alk, salinity, ph that sort of stuff.


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[mcgyvr]

no problems at all..
change all you want to get those nutrients down..
Most of the beneficial bacteria is clinging to the surfaces of the rock/sand and little is free floating in the water..

 

[ericarenee]

i agree with the above. but will add i have had better luck doing 50 to 60 percent then next day 30 then another 30..

but i know not everyone has that kind of water storage,especially for a larger tank

 

[Cliving1]

Agree with the above. I just had to get my nitrates down. 2-15 gallons and a 5 on a 40 gallon. Now im back in good position.

 

[gogo7]

cutting back on lighting will help get rid of algae problems as well...10 hrs a day works