NorwichReefer
New Member
Hi there guys, I have a red sea reefer 250 and I'm looking at getting the aquatic life fixture to supplement them with. My question is what 4 bulb combo would be best for an SPS tank? Here is my schedule on the Hydras.
Supplementing 2 hydra 26hd with t5
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Bpb
2500 Club Member
Do you prefer the heavy blue look, shallow water low kelvin natural, or in between?
Blue heavy:
2 Blue+
2 true actinic
Middle of the road
2 blue+
2 coral+
Natural high noon shallow seas
2 blue+
2 giesemann tropic 6500k
Don’t fret over nuanced differences in growth from combo to combo whichever you go with...it’ll be negligible. The blue heavy mixture would read a little low on a par meter but that’s just because even the good ones report 10-20% low in the 400-420 Nm range.
Blue heavy:
2 Blue+
2 true actinic
Middle of the road
2 blue+
2 coral+
Natural high noon shallow seas
2 blue+
2 giesemann tropic 6500k
Don’t fret over nuanced differences in growth from combo to combo whichever you go with...it’ll be negligible. The blue heavy mixture would read a little low on a par meter but that’s just because even the good ones report 10-20% low in the 400-420 Nm range.
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