Hi longhornxtreme,
In some of the pictures it looks like regular GSA to me. I think the dark "clumpy" algae in a couple of the pictures it possibly a different algae. You might try more Potassium for the GSA and dry dosing with Flourish Excel, per the "sticky" in this forum, for the other algae.
In some of the pictures it looks like regular GSA to me. I think the dark "clumpy" algae in a couple of the pictures it possibly a different algae. You might try more Potassium for the GSA and dry dosing with Flourish Excel, per the "sticky" in this forum, for the other algae.