Hot Spring Prodigy
Quick answer
The Hot Spring Prodigy holds about 270 gallons of water and measures 84 x 78 x 33 inches, seating up to 5. Full of water and people it weighs roughly 3,752 lb.
- Water volume270 gal
- TypeHard-shell
- Dimensions (in)84 x 78 x 33
- Seats5
- Water weight2,252 lb
- Empty weight575 lb
Chemical doses for about 270 gallons
Computed for this tub's water volume, so you can dose without doing the arithmetic. Amounts are ounces by weight.
| To do this | Chemical | Amount |
|---|---|---|
| Raise total alkalinity +10 ppm | sodium bicarbonate | 0.65 oz |
| Raise free chlorine +3 ppm | dichlor granules | 0.19 oz |
| Raise bromine +3 ppm | bromine granules | 0.18 oz |
| Chlorine shock (+10 ppm) | dichlor | 0.64 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.
As an Amazon Associate this site earns from qualifying purchases. Shopping links are affiliate links and cost you nothing extra.
How much does a full Prodigy weigh?
Empty, the Hot SpringProdigy weighs about 575 lb. Its 270 gallons of water add about 2,252 lb, and 5 bathers add roughly 925 lb more, for a loaded total near 3,752 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 270 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.
Source
The 270 gallon figure is from the manufacturer's published specification: www.hotspring.com. Manufacturer site. 5 persons. Capacities vary with how high you fill and with seats and footwell; confirm against your own manual or a metered fill when precision matters.