couple videos on the topic of battling nuisance algae and dosing of calc, alk and mag

[reefer gladness]

These videos are from Vivid Aquariums and can be found on their website but they update frequently so here's a direct link to Youtube. I think a lot of common questions on the topic of battling nuisance algae's are answered here. Even if your tank is running great you might learn something new, I didn't know that a sudden increase in alkalinity could bleach some corals for example.

Q&A - Nuisance Algae - YouTube

Dosing Calcium, Alkalinity, and Magnesium - YouTube