This is the one I have, and it works well in a 55 gallong tank.
Little Giant Chemical pump
3-MD-HC series
1/12 HP Open Fan cooled
Intermittent Liquid Temp: 200F
Specific gravity: 1.1
Intake: 3/4 FNPT
Discharge: 1/2 MNPT
Glass-filled Ryton Magnet Housing
Glass-filled Ryton Volute
Glass-filled Ryton Impeller
Viton O-ring
Ceramic Thrust Washers
Ceramic Shaft
Weight (lbs) 8.8
They have several grades, you need one for high corrosives. I think I paid about $150 each at Grainer. I found a cheaper place the other day, about $135-$140 if I remember correctly, but I can't seem to find it now.
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