Looks to me like it's the sa vivid fancy.
If you go to google images all of the ones popping up look just like yours. Click the link and you'll see they are look like yours.
you need to dose Kent Tech-M, it's not the MG that kills it but some by product within the Kent product. You may even find yourself doing water changes to lower the MG so you can add more Tech-M in.
Trying this again, if you have comments send msg instead:
AI Sol Blue with Controller and 12" Mounting Rails
optional hanging tree for free if buyer wants it.
SOLD