Algae bloom help

[digi]

Hey guys,
I'm in need of some advice..

I've been having quite a lot of algae growth over the past month and a half, and I'm scared its not going to go away. I've been growing everything, including hair algae. I belive I bought a POS rock to begin with - I should have done some better shopping... already removed 5 rock crab from the display.

My current setup:

• 8.5 gallon display
• 5.5 gallon sump
• 2x nanocustoms par38 LED spotlights (21W each), 20,000k.
• Vortech MP10 powerhead - giving out good flow to tank.
• Aquaclear filter in sump - running carbon
• overall about 16lbs of live rock split between sump and display.

Livestock

• Fish:1 neon goby, 1 clown goby, 2 evoita goby, 1 red neon goby, 1 tailspot blenny (all gobies under 1")
• Coral: Alveopora, torch coral, octospawn, open brain, dendro, birdsnest, zoa's. All coral seem to be thriving, except for alveopora which is currently bothered by algae .
• 2 turbo snails
• 2 peppermint shrimp
• 3 penny sized hermits

I don't believe to be overfeeding. I rotate a diet between zooplankton, mysis, a second type of frozen plankton, flake food. All food is always 100% consumed by the fish.

I'm having to scrape algae off the glass every 3 days to even keep it viewable.

Water changes have been religious - 3 gallons weekly (no skimmer).

I wish to keep things natural, and would not like to implement a dosing routine - although i'm open to suggestions.

Note: I'm adding a 9 gallon refugium over the next week or so. Will be growing some macroalgae in there.

Tips, thoughts?