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Mike
> 3 dayGreat product! It definitely helps quickly cycle the fish tank, I use it along with Seachem Stability, in a matter of days.
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Jessi M
> 3 dayI’m sure this will only help my tanks, but so far I am not noticing any difference. For the record my tanks are well maintained so maybe if you do less cleaning you will notice a difference? Idk. Also I wasn’t paying attention to the description and the bottle was half the size I was expecting, which did not make me feel like it was a great price.
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Dr.J
> 3 dayDont add too much of this stuff or too often. Weekly dosing is too much just add the recommended amount bi-weekly. It can cloud the water, starve the tank of oxygen, and create excess biofilm.
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Kurt
10-06-2025A little pricy but vastly improved the clarity in my 55 gal within 2 days
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cathy kulacz
> 3 dayDidn’t work that well
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Tessa Kitts
> 3 dayThis is the only products I’ll use
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Courtney
> 3 dayId had this product for a while before finally giving it a try. At first, I didnt use it because my tanks water was nice and clear. I just had Pristine on hand just in case. However, when I upgraded my tank I also decided to go to a white sand substrate. My silver dollars were making my white sand not so white anymore. Even just 24 hours after vacuuming the sand, there was what looked like a weeks worth of fish poo. I decided to give Pristine a try and within just maybe 2 or 3 days I noticed a lot of the poo was gone. I still siphon and clean the sand during my weekly water changes. My sand will never be spotless, but this product does really seem to help keep me from obsessively cleaning up after my fish and probably helps keep nitrates low too.
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Stoney
> 3 dayDefinitely does the trick. I actually notice the difference when. I use this product compared to competitors products.
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Iris Knapp
Greater than one weekWorks like a charm!
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Juan luis Ovalles
> 3 dayPerfecto