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Old 09-19-2013, 01:10 PM   #11
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The coraline in my tank does not mind water flow. It even grows on the powerheads to the point of needing 6 month vinegar washes.
When I had a FOWLR and a single T8 bulb, the only coraline that lasted and grew was on the topside of the uppermost rocks. If yours is dying in areas where there is less light, then I would still suspect lights.
As for not needing specific lighting in a FOWLR tank, it's true because caoraline algae is not critical or even important to the health of the tank. I thinks its purely asthetic.
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Old 09-19-2013, 06:08 PM   #12
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well i get that rules the cuc out for cleaning, my cuc demolishes any algae i have growing on anything, i have 3 ceriths, 3 nassarius, 3 turbos, 9 blue leg hermits, 2 skunk cleaner shrimp, and 2 peppermint shrimp that are on the clock 24/7

oh and by plain do you mean a freshwater led fixture? as in a 8w or something like a marineland or an aquaticlife?
Yes its 8watt LED
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Old 09-19-2013, 07:19 PM   #13
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Yes its 8watt LED
i thought so, its a freshwater light fixture and sadly will not support much marine life at all as far as algae and corals.
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Old 09-19-2013, 09:30 PM   #14
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Possibly water conditions as well I believe coraline is a calcium based algae so if your Ca, Mg, Alk etc etc are correct. Do you use reef salt mix or regular?
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Old 09-20-2013, 12:04 AM   #15
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Possibly water conditions as well I believe coraline is a calcium based algae so if your Ca, Mg, Alk etc etc are correct. Do you use reef salt mix or regular?
x2 or store bought water, run a test with a good test kit.
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Old 09-20-2013, 04:38 AM   #16
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I use this salt mix. So do i need a stronger light to support the live rock and encourage coralline algae?
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Old 09-20-2013, 04:39 AM   #17
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I use this salt mix. So do i need a stronger light to support the live rock and encourage coralline algae?
And i buy Ro/DI water from the shop.
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Old 09-24-2013, 09:10 AM   #18
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I don't think your lights are the problem. I've seen it grow in sump with low power refugium lights which are probably the same wattage and spectrum as your fixture. It grew in my old 55 set up with only 2 6500K t5 bulbs
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Old 09-24-2013, 10:42 AM   #19
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I don't think your lights are the problem. I've seen it grow in sump with low power refugium lights which are probably the same wattage and spectrum as your fixture. It grew in my old 55 set up with only 2 6500K t5 bulbs
were they 48" t5ho on that 55g? i think her's are a small light bar for freshwater that doesnt cover everything in the tank like a t5ho would. i think thats the problem to be honest, but then again she hasnt posted any test results either so ill wait for that too.
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Old 09-24-2013, 10:46 AM   #20
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were they 48" t5ho on that 55g? i think her's are a small light bar for freshwater that doesnt cover everything in the tank like a t5ho would. i think thats the problem to be honest, but then again she hasnt posted any test results either so ill wait for that too.
no I'm pretty sure they were the original 18" or 24" bulbs. One over each side. It was a freshwater setup prior to the SW conversion.
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