Micro bubbles problem and heat issues

[SLAYCHILD]

Im getting a lot of micro bubbles and is it ok that my tanks temp goes form 80 with the lights on to 75 when they are off?

[technomex]

I had a problem with micro bubbles until I started using 100 micron filter bags on my drains into my sump.

[SLAYCHILD]

That wont help cause I have a Solana.