The Hidden Cost Of Low Pool Water
September in Texas is still brutally hot, and for Frisco and North Dallas pools the danger is not always what you can see in the water. It is the water that is quietly disappearing. In this video, Next Wave Pool Care explains how evaporation drops the waterline below the skimmer, why that makes a pump run dry and melt its shaft seal, and the simple midpoint rule that protects your equipment.
September in Texas is still brutally hot, and that intense sun is silently threatening your pool equipment through invisible water loss. When extreme heat meets low humidity, your pool's evaporation rate spikes, stripping away inches of water in just a matter of days.
If that water drops below the skimmer opening, your system starts sucking air. Without water, your pump runs dry, rapidly overheating and melting the shaft seal. Your pool technician will run a hose to help while they're on site, but strict industry liability policies mean they can never leave a running hose unattended. To prevent flooding, they turn it off and email you to finish the fill.
## Keep the Waterline at the Midpoint
To protect your equipment, keep the waterline exactly at the skimmer mouth's midpoint. You can track this visually or upgrade to smart skimmer inserts like Water Guru Sense, which digitally monitor your water chemistry and flow right from your phone. Protecting your pool in the Texas heat requires teamwork.
## Key Takeaways
- September heat and low humidity spike evaporation, and a pool can lose inches of water in just a few days without anything looking wrong.
- When the water drops below the skimmer opening, the system sucks air and the pump runs dry, overheating and melting the shaft seal.
- A technician can start a fill while on site but can never leave a running hose unattended, so finishing the fill is the owner's part of the job.
- Keep the waterline at the skimmer mouth's midpoint; check it visually or use a smart skimmer insert that monitors level, chemistry, and flow from your phone.
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