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Old 07/12/2021, 05:55 AM   #1
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Join Date: Jul 2007
Location: Suffolk County, NY
Posts: 1,091
Reducing water changes to reduce fluctuations

I have been a reefer for years, but 1.5 years ago started a 10 gallon nano tank. Seems like it was a tough journey. Tank stability has been tough. In reality, I have the same mechanics that I had on my large tank.

Recently, my tank has been doing well, so I feel I turned a corner. For a while, it seemed, that only fish or only corals would do well. Now, seems everything is doing well.

I have been doing 30% water changes weekly and am thinking that maybe I should do less, so that my parms remain more stable.... Not sure.

Any feedback, on how often to do water changes and % change?

Believe it or not, even my salt parm can change. Never even jumped in my larger tank, unless I wanted it to. That's why I am thinking of less water changes.

Thanks for your input.

- Larry

Current Tank Info: 55 gallon Reef, Aquactinics MH/T5, 1/3 hp chiller, LifeReef overflow, custom sump/refugium, AquaC pro skimmer and Vortech MP40w. Also, a Solana Rimless nano, Viper 150MH, Tunze 9002 skimmer, Vortech MP10 ES and RKL Controller.
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Old 08/09/2021, 01:02 PM   #2
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Join Date: Apr 2018
Location: Rochester, ny
Posts: 54
I've had the evo 12.5 for about 3 years but just upgraded to a 16 gal. I do water changes weekly of 2 to 3 gal... my params do fluctuate but I've had no issue with coral growth or with the fish so I continue to do it.
I say if you tank looks fine and is happy then continue to do it!


"Hey... where do these stairs go?" "They go up!"
- Ghostbusters 1984

Current Tank Info: 16 gal
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