View Full Version : 4100K bulbs
Gools
12-14-2004, 01:32 AM
Are 4100K bulbs any good for growing macro algae in my refugium?
AJ_77
12-14-2004, 03:28 AM
umm, yes?
:mrgreen: do I win?
AJ_77
12-14-2004, 02:59 PM
You wanted a serious answer? Sorry - OK, likely you can grow some macroalgae with this spectrum, but not really well from what I remember. Daylight/6500K (and enough of it) will do a better job.
And a 400W 13000K MH bulb should have as much punch as a used 175W (I would hope for more), in answer to another post of yours... is the 175 a 10K?
Gools
12-14-2004, 08:49 PM
yah my 175 are 10K ushios. The 400w is 13K really nice colour, but was suprised that it wasn't overwhelmingly bright
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