Bullfrog X8: the full size spec
Straight answer
The Bullfrog X8 carries 486 gallons of water in a footprint 94 by 94 inches with 38 inch walls. It seats 8, and a filled, occupied tub totals about 6,291 lb.
Bullfrog X8 spec sheet
- Water capacity486 gal
- TypeHard-shell
- Dimensions (in)94 x 94 x 38
- Footprint61.4 ft²
- Rated seats8
- Gallons per seat61
- Water weight4,053 lb
- Empty weight758 lb
- Filled + 8 adults6,291 lb
- Standby heat (est.)10.0 kWh/day
- Heat-up 55 to 102 F (est., 4 kW)14.0 h
Computed estimates, stated assumptions: 102 F water temperature, 50 F average air, average cover, ideal heat-up.
Versus the hard-shell median
Put against the hard-shell field (median: 383 gallons, 88 by 36 inches), it offers 27 percent more water than the median in a shell 6 inches wider than typical. Divided by its seating, each rated place gets 61 gallons.
The X8 weight question
A metered fill of 486 gallons weighs 4,053 lb by itself. With the 758 lb dry weight and a full complement of 8 bathers, the ground sees close to 6,291 lb, about 103 lb on each square foot. Work out any tub on the filled weight calculator.
Energy use, estimated
Figure 10.0 kWh per day of standby heating for 486 gallons held at 102 F in 50 F weather with an average cover: about $52 a month at $0.17/kWh, and $37 to $76 across common rates. Model your own rate and climate on the running cost calculator.
Doses for a 486 gallon fill
Per-fill amounts for 486 gallons, given in 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 | 0.35 oz |
| Raise bromine +3 ppm | bromine granules | 0.32 oz |
| Chlorine shock (+10 ppm) | dichlor | 1.2 oz |
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.
Planning the spot
Moving day means 758 lb of empty spa, so recruit help and clear the route. Once placed, it wants a dedicated 240 volt circuit installed by an electrician and a base that will not settle under 6,291 lb.
Source
We take the 486 gallon volume from a major retailer or authorized dealer listing; see patiosplash.com. X Series. 486 gal. Authorized dealer listing. Capacities vary with how high you fill and with seats and footwell; confirm against your own manual or a metered fill when precision matters.