Well depends on the size of the tangs they could be a big source. I would say i would try to find some bulk rox carbon. How much debris is on the bottom of the rock compartment. I may have missed it but what is you n03 reading. Usually phosphate and n03 go hand in hand. Personally i would remove the ceramic pieces. How much cheato do you have. Do you have a light over it? Has it been thriving or dying off. Hw often are you changing your filter socks? As for feeding a lot of phosphates are introduced from food its a good practice to rinse the food well before unthawing/ feeding. Did they use a chlorometer to check your phosphates or a kit. I don't know if 1 is a huge issue. My friends tank is 1.35 and he has a beautiful tank.
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360 gallon sps reef, 180 gal sump, bubble king supermarine 300, 4xmp40Wes, 2 x 6215 tunze waveboxes, 4 ghl mitras
360 Reef Tank
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