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Big Tank
Much has changed since the first post, the most noticeable is going from a 40g display to a 138g display. Increase in tank volume I was riding a knife edge with the 40 gallon tank and the increase in water volume allows for a buffer, slowing down the impact of problems. Temperatures fluctuate less now and swings from feeding are more gradual. Grow algae under the tank, not in it I had been battling algae on-and-off over the coures of a year.
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Initial Lighting Setup
The photosynthetic zooxanthellae which coral depend on have adapted to the ocean depths, photosynthesizing best when there is blue light present. Studies have shown that Chlorophyll A has a lower spectrum peak at about 430nm and chlorophyll B has a lower spectrum peak at about 450nm. I’m building lighting setup for a small SPS aquarium with the following goals: Lighting Design Goals Low cost by utilizing commodity electronics components Emphasis on blue spectrum lighting Enough white lighting to be aesthetic to the human eye Low heat to avoid heating issues in the summer months To meet these needs I am building a lighting fixture from scratch using components sourced from E-Bay, Aliexpress, and local electronics resellers.
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