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.
Some hot tubs that fall outside of this weight range. For example, the Swim Spa designed by Spa Manufacturers, Inc., weighs about 2,400 pounds and can hold up to 1,200 gallons of water. Spa Manufacturers also sells a smaller 5-foot by 7-foot spa-style hot tub that weighs 300 pounds when empty and can be filled with 150 gallons of water.