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- Mar 10, 2019
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They are the 4117 modle i tested tonoght with a api test kit and it read 0 nitrate 0 phosphate but i also started to feed again today and i also added 2 fish from my other tank that i tore down todayHello,
If your talking about the current usa model 4117 version they are more powerful than g4 radions. They will absolutely bleach and produce more par. I have those on my 240, that’s 34 Inches tall and I average between 150 and 200 par on the sand bed. The 60 degree lens is extremely powerful and extremely unwise to underestimate.
The newer orbit Ic can grow any thing softies and lps. It can grow sps (probably in a 40) but I’d question them in a 90 or higher for sps. If they did place sps in them, it must be the upper section of the tank.
If the op is running the 60 degree versions I think for a 40 is model number 4110 I think. I would run the white at 20-30% and blues at 100%. I would also make sure alk is at 8 constantly. Cal is at 440 constantly, and being the salinity up to 1.025. I would make sure phosphates are very low also, but do not bottom them out or your nitrates, then worse problems happen. Another issue could be flow or too much flow and the coral can’t handle it. Since they are on the sandbed and sand isn’t getting blasted around I wouldn’t think there is too much. But a pic of the tank and light and I could definitely answer more for you.
Sincerely
Sarah