OCD 420L Setup in Progress

[flygoddess]

Now I have one question. I have ben using Lead core acid filled regular old weigh a ton batteries for over a quarter of a century, but I have always used a Battery box. It has air holes. I know people put this type of battery in Ice chest, but again, make an air hole with the wiring.
Am I wrong in assuming that these type of batteries NEED this?

And SatanLBZ801, I know personally, one other person that "HAD" this same tube. All I can say is keep an eye on it and good luck.

Very nice tutorial however, keep up the good work.
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