Rectangular Tanks

The B415 puts 28 gallons in a noticeably heavy shell - the bare blank weighs 91 lb, which tells you how much polyethylene Ronco puts into this particular mold. Wall mass is what you want in a tank...

At 34 lb bare, the B457 is a 30 gallon tank you can carry aboard under one arm - the light-shell counterpart to Ronco's armored 30 gallon molding. It suits protected installations: a dry locker, a...

The B459 rounds out the marine B-series at 27 gallons in a light 37 lb shell - an easy-handling tank for coastal cruisers and trailer boats where water capacity in the twenties covers a long weekend...

The B545 holds 53 gallons in 30 x 22 x 20.5 inches - a dense, deep-bodied molding that gets serious capacity out of a compartment barely 30 inches on its longest side. Among the mid-size B-series...

Size a water tank by crew-days, not by the biggest number that fits: at sensible washing-and-drinking use, the B170's 28 gallons covers a couple for a long weekend with margin. It is one of Ronco's...

The B479 lands on a tidy coincidence: 33 gallons of capacity in a 33 lb molding - almost exactly a pound of tank per gallon carried. That ratio marks it as the balanced member of Ronco's marine...

The Chem-Tainer 56 Gallon PE Rectangular Open Top Tank is a compact polyethylene rectangular tank built for open-access water storage, batching, and transfer work where you dip, fill, or hand-load...

Nine inches tall and nearly square, the 36W is the pallet-tile of Ronco's line: 16 gallons in a 23 x 21 x 9 inch footprint that covers floor area instead of climbing walls. That geometry belongs...

Thirty-five gallons is the step-up size - the capacity owners land on after a season of running dry at 20. The B203 is Ronco's marine fresh water molding at that figure: enough supply to add real...

The Ronco Plastics B315 concentrates 52 gallons into a 30.5" x 24.38" x 17.38" block that weighs just 41 lb empty - a capacity-to-weight ratio that makes it one of the easiest big tanks in the...

The Ronco Plastics B403 pairs 38 gallons of capacity with a 105 lb heavy-wall molding, sitting near the top of the B-series for wall mass in its size class. Spec it where the tank works for a living:...

Thirty-nine gallons is the in-between size that ends up being right more often than the round numbers on either side of it. The Ronco Plastics B469 offers that capacity in a one-piece rotomolded...