Master Spas Michael Phelps MP Momentum Deep
Quick answer
The Master Spas Michael Phelps MP Momentum Deep holds about 2325 gallons of water and measures 231 x 94 x 60 inches. Full of water and people it weighs roughly 23,831 lb.
- Water volume2325 gal
- TypeSwim spa
- Dimensions (in)231 x 94 x 60
- Water weight19,391 lb
- Empty weight3,700 lb
Chemical doses for about 2325 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 | 5.6 oz |
| Raise free chlorine +3 ppm | dichlor granules | 1.7 oz |
| Raise bromine +3 ppm | bromine granules | 1.6 oz |
| Chlorine shock (+10 ppm) | dichlor | 5.5 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 Michael Phelps MP Momentum Deep weigh?
Empty, the Master SpasMichael Phelps MP Momentum Deep weighs about 3,700 lb. Its 2325 gallons of water add about 19,391 lb, and 4 bathers add roughly 740 lb more, for a loaded total near 23,831 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 2325 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 2325 gallon figure is from the manufacturer's published specification: michaelphelpsswimspa.com. Michael Phelps Signature swim spa, dual-zone. 2,325 gal. 19 ft 3 in long. Capacities vary with how high you fill and with seats and footwell; confirm against your own manual or a metered fill when precision matters.