ive just set up a 400 litre marine tank with sump. ive salted the water added the sand and live rock to the main tank and in the sump i have some black plastic tubes then into a sand bed with live rock then a skimmer , then a phosphate reactor and for a bit of added filtration ive put a cannister filter direct to the top tank . Now my problem is it is struggling to clear and has a haze to the water. Is it me expecting too much or have i done something wrong. Ive done a few tests and the only test that was out a bit was the ammonia which i knew would be with it being a new tank. Can anyone tell me if there is anything i have missed thanks