Those who admitted to regularly smoking pot had a sperm count that was 29 percent lower than those who reported lighter use or didnât smoke at all. Meanwhile, men who used other recreational drugs alongside marijuana had sperm counts reduced by 55 percent and sperm concentrations reduced by 52 percent. Pot smokers were also found to have higher levels of testosterone within the same range as cigarette smokers.
The cost of replacement filters will completely depend on the brand of hot tub you have. Prices can range from $10-200 per filter. In general, filters need to be replaced every few years. Hot tub covers need to be replaced every few years because they will get water logged due to the evaporation water in the tub. Cost of new spa covers will range widely, budget ~$400.
Square and Rectangular Hot Tubs. Square and rectangular spas vary even more widely in size. Square hot tubs made by Sundance Spas are 88 to 89 inches across for a five- to six-person tub, while rectangular hot tubs for the same number of people range from 81 by 86 inches to 90 by 110 inches.