Agreed. Canister filters are a problem waiting to happen, and tend to become nitrate traps(if filtration is used)
In the the time in this hobby I have never ever ever ever found a good 100% solution to hair algae-red or green when it comes to fish or inverts.
I think the only way to truly fix the problem is:
1/Water changes
2/clean rock or and hope stuff doesnt grow back
3/lower nutrient import into tank
4/ And if none above works, take out the bad piece of liverock and boil it because there is probably something in the rock like a dead crab or worm that has sparked the algae bloom on that rock and allowed the algae to gain a foot hold. IMO of course.
good luck
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84 gallon Osaka reef-Closed down Jan 16th/2011
AP12 HQI-Started Jan 4th/2011
BC29 HQI-Started Jan 14th/2011
Ryan
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