Jacuzzi J-335

Quick answer

The Jacuzzi J-335 holds about 360 gallons of water and measures 84 x 84 x 36 inches, seating up to 5. Full of water and people it weighs roughly 4,681 lb.

Size chemicals for this tub

Chemical doses for about 360 gallons

Computed for this tub's water volume, so you can dose without doing the arithmetic. Amounts are ounces by weight.

To do thisChemicalAmount
Raise total alkalinity +10 ppmsodium bicarbonate0.86 oz
Raise free chlorine +3 ppmdichlor granules0.26 oz
Raise bromine +3 ppmbromine granules0.24 oz
Chlorine shock (+10 ppm)dichlor0.86 oz

Open the dosing calculator for this tub

Add in small steps with the pump running, wait, then retest before adding more. Never mix chemicals together, and always follow your product label, which wins over any calculator.

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How much does a full J-335 weigh?

Empty, the JacuzziJ-335 weighs about 754 lb. Its 360 gallons of water add about 3,002 lb, and 5 bathers add roughly 925 lb more, for a loaded total near 4,681 lb. Make sure your deck or pad is rated for it. Work out any tub on the filled weight calculator.

Keep the water right

A 360 gallon tub doses in small amounts, so a kitchen scale and small additions beat eyeballing it. Test, balance alkalinity then pH then sanitizer, and use the dosing calculator sized for this tub. Start with test strips and a chemical kit.

Get hot tub test strips Get spa chemical starter kit

Source

The 360 gallon figure is from the manufacturer's published specification: jacuzzipartners.com. Manufacturer handbook. Average fill 360 gal; full spa volume 450 gal. Seats 4-5. Capacities vary with how high you fill and with seats and footwell; confirm against your own manual or a metered fill when precision matters.

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