Guest guest Posted January 19, 2009 Report Share Posted January 19, 2009 They probably need better ventilation, to get the humidity down. The humidity (water evaporated from the pool) difference in temperature between the outdoor and indoor air and the presence of food in the form of dust, wood, cellulose or similar is what drives fungal growth on surfaces . I don't know if anybody dehumidifies pool areas, that would seem to be very energy intensive, even more than heat + outdoor air. If you can stand having the air above the water be cold, simply ventilating the building well would probably reduce the humidity enough to make any cleaning " last " and be cheap. The cost to heat the water would rise, though, perhaps substantially. The building was probably designed when energy costs were lower, and they have cut back on heat..and/or the fans..? Just guessing.. I am guessing that the pool's enclosure is probably not made of mold-prone materials.. (who would be that stupid?) but mold may be growing on dust. How often is it cleaned? Its my understanding that pools typically use heavy duty ventilation systems.. They move lots of air in and out of the buildings with high volume fans, thats how they keep humidity down. The use of heaters combined with lots of ventilation is the best. Are you sure its mold and not rust or something similar? Many people think rust = mold but actually, its a completely different process. On Sat, Jan 17, 2009 at 8:33 PM, jewels <checkov14@...> wrote: > Hi All, > i haven't posted in quite a while, but I'd like your opinion on this. I > guess I know part of the > answer, but it is a little more complicated. I swim at the ONLY warm pool in > the bay area. > Quote Link to comment Share on other sites More sharing options...
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