electrolyte or plates

[hg2]

+nnnnn-nnnnn+ wet cell 2" x 6" s.s. plates in 3" pvc pipe. I use about 1 tsp of Naoh in about 1qt of H2O drawing 15 amps and using 30amp PWM @ 400hz.

Are you having any overheating problems after running it 1 - 2 hrs continuous?