This is going to be a long story. I have an 80 gallon reef tank with a 25 gallone refusium/sum. I run an ehiem 900 gallon pump, protien skimmer, and 2 power heads. Lighting is 6 T-5 lights (4 actinic, 2 10k). I use Tropic Marin Pro Reef, and have been doing 5 gallon water changes 2 to 3 times per week. I have begun to do 15 gallons 2 times per week recently.
Here is the problem. Everything in my tank looks awesome, but the zoanthids and polys seem to just die off after a month or so. I have a variety of softies, a duncan, birdsnest, montie, acans, green star, and leathers, and they are all growing and looking great. 4 fish,(2 clowns, macoscer wraise, and a spotted Leopard.
I test my water regularly, Calcium, alk, mag, phos, & Iodine, all perfect. Salinity is at 1.025, and my temp fluctuates between 77 and 80. Lighting is on from 11:30 am to 9:30 pm. Rufusiom lighting from 9pm to 10 am.
Any thoughts would be helpful, I am lost.
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Originally Posted by SD-Cube
