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I have a 55 gallon with 4x65 watt CFLs and a 37 with a 2x65. Half 10k, half actinic (on a longer timer). Usually I have great plant growth and am tossing out tons of clippings. But as of the last couple of months, I'm getting more and more green dust and green spot algae, and poorer plant growth. I can't figure out whats going on different chemically, but I got the lamps at the end of November last year. The bulbs on the 55 are a bit dimmer to the eye even.
Could this be a reasonable cause? I was hoping to get more life out of the bulbs
Could this be a reasonable cause? I was hoping to get more life out of the bulbs