Most spa's and hot tubs are 4 1/2' deep.
The average income for a small spa depends on the area where the spa is located. A small spa in a rural area might make 160,000 dollars per year while a small spa in an urban area might make 800,000 per year before expenses. .
To determine the volume of an 8' x 8' spa, you need to calculate its cubic feet and then convert that to gallons. Assuming the spa has an average depth of about 3 feet, the volume would be 8 x 8 x 3 = 192 cubic feet. Since there are approximately 7.48 gallons in a cubic foot, the spa would hold about 1,436 gallons of water.
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The average depth of the ocean is about 2.5 miles.
The average cost for a day spa can be close to $500 in Beverly Hills. Prices vary depending on services requested.
The average depth of the Indian ocean is I dont know honestly
The average depth is 25 metres or 82 feet.
The average depth of the bay is approximately 12 meters.
The average depth is 55 meters
30 x 13 x 5.9 (gallons per cubic foot for that particular shape) x 5 (average depth) = 11,500 US gallons, not including the spa since you gave no specifics on the spa.
Any more and you might drown, it's meant to relax, not kill
The average depth of the Pacific Ocean is around 12,080 feet.