Yeah we haven't really added Iodine much before either. Did once all our purple sponge started to deflate and waste away to virtually nothing but has since gone back to its rampant nature.
Did try vodka for a nitrate problem but it didnt really work but didn't know it sorted out hair algae too. Have got a homemade phosphate reactor so never really tested it.
Nice Sun Coral there. Thats reminds me, a few days ago a fellow reefer was giving away a sun coral as it wasnt doing to well in his tank. He is away a lot of the time so it wasnt getting fed as much as it needed. So we took it and are feeding it up. It has the most enormous polyps I have ever seen on a sun coral. Each head must be about over an inch across. He must of been feeding it steroids before hand! I will take pics when it opens up for a feed tonight.
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8' x 2' x 2' - Marine Reef.
6' x 2' x 18" - Wild Caught Zaire 'Moba' Frontosa

4' x 2' x 20" - Malawi
4' x 22" x 18" - Malawi + Victoria
4' x 18" x 18" - Breeding Cuban Cichlids.
Trigon 190 - Male Paratilapia Polleni
20" x 20" x 20" - Marine
30" x 1' x 1' - Hospital Tank
2' x 1' x 1' - Tropical
and
7x - 1' and 2' cichlid fry tanks