Really? Form what I've read, they're toxic...Have you tried an emerald crab? I've read that some have had success with Dino.
So my opinion: Your rocks are leaching nutrients.... its only few patches on the rock where I see Dino & GHA.
+1Hey Nav,
Just be patient.
It takes time.
I've had algae problems for a good 2 or 3 years until my tank stabilized. You are just pissing away money in products that will not do much but give you temporary results.