Type: Posts; User: albylee; Keyword(s):
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the most common are 90 deg gives good coverage and excellent par rating but also also take into account the depth of tank and the lengh of the unit you using 60 90 give more direct light as said...
I have had bridelux epistar and I have used cree althou cree have out standing name bridelux are whey up there with them ulta bright as for growing coral coulor temprature with LED chips dont have to...
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