Here is the quote.
Just because it is sold as a coral light doesn't mean it is sufficient. The only way to know if you have enough light is by measuring the PAR.
For flow, you should shoot for at least 20 time tank volume for turn over. If your power head is operating at 100% efficiency, you are at less than 8 times plus whatever that canister filter provides, which probably isn't that much.
Thanks will test par and Ill re adjust the filter to help ( I looked at the box , I bought over kill) it dose ~600 gallons per hour, still not enough, but a have ~ 40 lbs of live rock taking 25% of tank area should I account for that as well in flow amount? (found the light I bought and its not extreamly high par its only 500 par though it is led and it is found that higher par corals for florescent lights do better under lower par led some sps can be kept in 200 par led lights)
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