My 90 Gallon tank a work in progress

[Murr]

I'm installing a 110 HOB and a Fluval 6x 7/30 on the 90 gal.. Please need advice on my M/C Tank.
I also have a 40 gal. and 30 gal..Lost 5 Eelec/blue heater went out and drop 72 deg.
and they could not take it. Do they make a alarm temp Gage?

 

[Aquamandan]

Love all the vivid colors!

 

[Murr]

But boy have I got a lot to learn The more I ready about M/C's .