Sundance Spas Aspen
Quick answer
The Sundance Spas Aspen holds about 520 gallons of water and measures 110 x 91 x 41.5 inches, seating up to 6. Full of water and people it weighs roughly 6,601 lb.
- Water volume520 gal
- TypeHard-shell
- Dimensions (in)110 x 91 x 41.5
- Seats6
- Water weight4,337 lb
- Empty weight1,154 lb
Chemical doses for about 520 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 | 1.2 oz |
| Raise free chlorine +3 ppm | dichlor granules | 0.37 oz |
| Raise bromine +3 ppm | bromine granules | 0.35 oz |
| Chlorine shock (+10 ppm) | dichlor | 1.2 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 Aspen weigh?
Empty, the Sundance SpasAspen weighs about 1,154 lb. Its 520 gallons of water add about 4,337 lb, and 6 bathers add roughly 1,110 lb more, for a loaded total near 6,601 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 520 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 520 gallon figure is from a major retailer or authorized dealer listing: www.pacific805.com. Sundance 880 Series, largest model. 520 gal. Dealer page from manufacturer data feed. Capacities vary with how high you fill and with seats and footwell; confirm against your own manual or a metered fill when precision matters.