indoor pool Pool Dehumidifier Swimming Pool

Find Out How A Swimming Pool Dehumidifier Can Prevent Mold, Rust and Wood Rot

Mold, rust and wood rot are common aliments of many indoor swimming pools.  Unless you know the warning signs to look for, these three invaders can remain hidden, causing costly damage to your pool or spa room.

Your pool room provides mold with three essential criteria required for a mold colony to establish itself and grow: moisture, warmth and organic matter for food (carpet, cloth, wood, paper, etc.).  Without a properly sized swimming pool dehumidifier and good ventilation, mold spores can invade all surfaces in your pool room.

Mold feeding on moisture from a indoor pool

Mold is not only unsightly, but often produces unpleasant musty odors.  Many people also report allergic reactions and hypersensitivity to mold exposure.

Another villain lurking in your pool room is rust or corrosion.  Indoor pools and spas with poor dehumidification and ventilation are especially vulnerable to corrosion problems.   Chlorine from pool chemicals reacts with condensed water to form hydrochloric acid, accelerating the damage to metal objects.  Rust can form on metal doors, furniture and light fixtures.  When relative humidity levels reach 62% or above for extended periods of time, serious structural damage can occur.  Damage to steel structural supports can lead to catastrophic results like a collapsed roof. Inadequate ventilation allows warm, chlorine-laden air to drift to the ceiling, corroding structural supports.

Another form of deterioration of your pool room due to improper dehumidification is wood rot.  Although wood rot may not lead to devastating destruction like roof collapse, it can cause very expensive repairs, depending on the type of wood used.  Wood rot (decay) requires moisture to decay the wood.  The moisture-heavy air from an indoor pool provides a veritable banquet for the decaying process.

Many indoor swimming pools and spas use wood for window frames.  Without proper dehumidification and ventilation systems, foggy windows will soon lead to discolored, cracked and/or warped wood.  Once detected, the damaged wood must be replaced or the rot will continue to spread.  Once again, depending on the type of wood being used, this could be a very expensive repair bill.

Warning Signs That Your Indoor Pool has Improper or Ineffective Dehumidification:

>> Foggy windows

>> Mold spots

>> Wet walls

>> Loose floor tiles

>> Saggy suspended ceiling

>> Blistering or peeling paint or warped wood on window sills

>> Rust on lighting fixtures, door frames or metal furniture

Wood Rot Caused by Swimming Pool Humidity

Protect your investment with a high efficiency swimming pool dehumidifier.  Call the experts at and let them help you to correctly size the right dehumidifier for your pool or spa. 

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