Dirty Reefer: Leaving the product out at room temp is fine once in a while. Don't worry about it =)
Albert: It definitely needs surface area to work. Most tanks will have more than enough surface area for the system to work effectively. As for the effects on refugiums and turf scrubbers, you will likely have much slower macro growth.
Rich & Muck: A few before/after photos exist on some forums but I don't want to break canreef forum rules posting links..
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