OK, already got the battery pump. Let me re-phrase. Is there anything in the plastic of a brand new, cleaned, beer cooler that could hurt my fish.
Here is the plan, in detail.
1. Get two coolers. 15 gallons each. One has 4 Rainbows, 1 pictus cat, 1 lg pleco, 1 sm pleco. The other has my pissed off Venustus who is peacful, but has become aggressive lately because of moving stress and I'm afraid she will be a ***** in the cooler.
2. Add hot packs via a partially submerged bag. I got the logistics here covered.
3. Have small heaters in each cooler.
4. Drill a hole for the air stone lines through the top.
Why is this better. Cooler on wheels = fish get to go to the hotel room and I can plug in to let the heaters work. There is no affordable way to get enough amperage to the back of the box for real heaters. Hot packs will hold temp during drive. Also, more water=more safety. Its more like a plastic tank then anything else. Without a bag, I can also tend to any stressed fish. I will have a styro-box-bag cooler on hand for quarentine/emergencies.