zero edge tank is working as scrubber

[redadeath]

my friend have big problem
his parameters is
nitrate zero
phosphate is 0.25
ph 8.4
and macro algae in sump
the problem is the algae is growin on the iner and outer surface of the glass
can u analyze please santa that problem and how to solve it

also his 150 watt methalid 14000 kelvin
[attachment=1:3ewsrjhi]08052011008.jpg[/attachment:3ewsrjhi]
[attachment=0:3ewsrjhi]08052011010.jpg[/attachment:3ewsrjhi]

[SantaMonica]

Easy... put a scrubber below tank, in sump.

[redadeath]

so macro algae isnot enough?

can he use both macro and turf??

[SantaMonica]

Macro algae in a sump is not nearly as powerful as a scrubber.

I would remove all the macro, and build a scrubber.