Quarantine system questions...?

[Stege_saurus]

I recently purchased this aquarium for little to nothing, I didn't know much about it which is no big deal. Upon further inspection I discovered a tag that reads "Do not fill with water"...I was going to use this for a quarantine tank but discovered the tag and it put a hold on my process. I filled it with water anyway and it didn't leak to my knowledge.
1) Should I use this as a quarantine tank still?

-If not I have 3 10 gallon tanks I can use, a 20 gallon tall I can use, and if necessary a 55 gallon I can use (I'm wanting to wait to use the 55 gallon because we might redo the floor under my DT in my basement).

-My quarantine system MIGHT go in my garage, but to my knowledge it stays a little warmer in the summer and a little cooler in the winter. (We keep the house around 70-73 year round and the garage fluctuates +/- 10°F with the temperature of the house.
2) Would that be too warm/cool of an ambient temperature to keep inverts, fish, and corals?

 

[Albertan22]

It’s likely a terrarium and not an aquarium. The glass will be thinner and overall it’s not engineered for the weight of the water. I wouldn’t use it. In reference to your other question, the in using your garage may be the upswing in temperature. You can easily deal with dips by just using a heater. You want a stable temperature of around 78-80F, you don’t want it getting any warmer than 82F. It’s easier to heat water than cool it.

 

[Stege_saurus]

It’s likely a terrarium and not an aquarium. The glass will be thinner and overall it’s not engineered for the weight of the water. I wouldn’t use it. In reference to your other question, the in using your garage may be the upswing in temperature. You can easily deal with dips by just using a heater. You want a stable temperature of around 78-80F, you don’t want it getting any warmer than 82F. It’s easier to heat water than cool it.

Yeah I was thinking about running an experiment and taking old water from a water change and filling one of the empty aquariums I have and leaving it for a few days, kind of like a simulated quarantine system and see how the temperature goes. I wasn't sure if anyone has done this or what the absolute maximum temperature should be.