uv sterelizer

i have dinos in my tank, I set up a UV sterilizer turned the lights off and blacked out the tank. My concern is I have an acro coral frag, a birds nest, monte a bunch of SPS, a leather and other softies, as well as a bubbletip anemone. How long can I safely black out the tank before my coral...

Hello all, I have been readin a lot of threads and everyone has different opinions. I have a redsea 525. I have purchased two Aqua twist sterelisers 57W and 25W. My intention was to run one for parasite control and another for algae control. I am unablke to determine the correct flow rate...