High phosphate level

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kwtowmaster

Aquarium Advice Activist
Joined
Feb 5, 2003
Messages
149
Location
connecticut usa
Just tested reef tank for phosphate color shows high level between 250-500 range.Just started doing water changes w/ ro/di and have been dripping kalkwasser for a few weeks now ,low on calcium too around 350.should I get phosphate sponge?and put in sump? 8O
 
That is certainly one option, but if you are not experiencing algae blooms I would continue with the water changes and Kalk. I would be doing a minimum of 10% per week. At that schedule you should see your phosphates drop rather quickly.
 
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