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I have a 75 gallon tank that has recently finished cycling. My alkilinity level is low and needs to be brought up. It is currently at 7.28 dh. The calcium level has also increased over the past week from 450 to 500. My pH is at 8.1 with the sg @ 1.023 with no ammonia or nitrites and nitrates at...

What are the colors of corraline algae? Does it only grow close to the rocks or does it branch out and grow up?

It is an orange brown color, no red in it. it is only on a few spots on the substrate. What do I do to get rid of it? My tank is still cycling, the ammonia is down to 0.25, the nitrites are at 5.0 and the nitrates are at 20. The Ph has remaines stable at 8.4, with the calcium at 450, and Kh...

I found out it is coraline algae. It is actually pink and purple. There are also some bright green spots appearing in some places. Don't know what they are?? There is also a rust colored substance covering the top of most of the upper live rock and is starting to appear on the substrate. Any...

This is my first saltwater tank and I need some help I have a 75 gal tank im setting up as a reef tank. It has a Sea life systems 175 wet/dry filter, a rio hyper 12 return, a hang-on refugium with a 180 gph pump, 2 65w power compact 50/50 actinic lights, a 600 gph overflow box and 2 heaters...