phosphate

I think your problem from the picture may be to fish and poo. Get a goby to sift food off sand bed and keep up with water changes and look into your filtration. I don't think .25 is bad but it can get better. Remember as dude said from up top- water changes carry phosphates so try not to do the water change early if it's not necessary. Stay with your two weeks on those, look at your filtration, study it in depth, fish and water circulation and you'll figure out how to get all that water filtered right to eliminate phosphates. If you still don't like their levels, then get the reactor. Only necessary if you plan on getting many corals. Good Luck.
 
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