On the second I would definitly go with a uv being that you will probably house an assortment of fish that you would not want disease to run rampant through. Try a turbo twist UV Sterilizer (36 watt) They are very affordable and the concept of spiraling the water around the bulb for longer exposure seems sound to me.
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75 Gal FOWLR est. 6-01
Wet Dry w/Amiracle Skimmer
[Bio Balls/1lbs. slow drip Carbon]
9 Watt UV Ster.
100lbs. Live Rock (Fiji,Tonga Br)
125lbs. Aragonite Base
Maculosus Angel~Yellow Tang~Flame Hawk~Canary Blenny~Pajama Cardinal~Bl Yel Tl Damsel~Brittle Star
10 Gallon Sea Clear Acrylic est. 7-05
Whisper HOB w/carbon+ 1 rio 400 PH
65 watt 12K PC
DSB + 6lbs. Fiji LR/2lbs. Base R
5 Bl Leg Hermits/ 5 Astrea Snails
1 Serpeant Star/ 1 Whte Burr Star
Leather Coral
Orange+Green Zoos
Growth of Halimeda
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