Quote:
Originally Posted by rdebonis
Rather than buy expensive new light bulbs on a set schedule, would it be more advisable and less expensive in the long run to purchase a good light meter, check the lights on a regular basis and replace them when the illumination reaches a certain level? I'm sure you can find these light levels for various setups in books and on the Internet.
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That's an additional expense Bob. At 18 months old, these bulbs are certainly past their usefull life, hence the need to replace them in a staggered fashion as not to "burn" corals.