Just fyi, i believe that pH is too high.
Does this tank receive a lot of sunlight?
Well with the sun shining on it all day it starts an algea bloom which i believe if its left alone will turn into your tank. What kind of filters did you say you had?
Looks like you'll need to change that water, clean everything, etc. Get some algea eating snails, reduce lighting, lower the heater to within a safe range.
I have two hang off the back filters they are emperor 400s. I've thought of getting snails but have been told if I don't have a lid for my tank they will get out what is your opinion on that?