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Can lowered alkalinity lead to unwanted algae blooms?

April 26, 2017algae alkalinity blooms lead lowered unwanted

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Can lowered alkalinity lead to unwanted algae blooms?

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Tank Specs:45 Gal (long & shallow tank), 2-55 watt sub compact actinic bulbs, 1 48″ fluorescent aqua-glow bulb, sump style wet-dry filter, small Skilter filter do not use the skimmer portion), protein skimmer in sump, use only RO water. Water tests good for nitrates, ammonia, calcium, phosphates about (1.0). Tank has been set up for about 6 months now. Use nature reef reef complete and strontium. Tank is all live rock, soft corals, inverts, and 3 small clowns. My Problem: About 11:00 am every day (1 hour before lights come on) there seems to be an algae bloom or something. Water is sparkling first thing in the morning and clears up about 9:00 pm at night. What could be causing this, and what can I do about it? Would a uv sterilizer be a good addition? Does a sterilizer raise water temp. much?