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Mason Portable
Toilets RentalJefferson City, MO
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How to keep a porta potty from smelling in summer heat

July and August highs average 88°F in Jefferson City, and a sun-baked unit can feel hotter inside. Here is what actually helps.

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Two clean standard porta potties side by side
Cleaned and stocked before every delivery.

Written by Mason, owner of Mason Portable Toilets Rental in Jefferson City. Mason schedules deliveries, sets units and answers the phone himself most days. Reviewed October 13, 2026.

Why do porta potties smell worse in summer?

Porta potties smell worse in summer because heat speeds up bacteria in the holding tank and warms the air inside the unit. A unit in direct sun on an 88°F day heats well above the outdoor temperature. More use from thirsty crews and guests fills the tank faster, which adds to the smell.

Deodorizer works best when the tank is serviced before it is more than two-thirds full.

How to keep a porta potty from smelling in summer heat

How do you keep a porta potty smelling fresh in July?

To keep a porta potty fresh in July, place it in shade with the door and roof vents facing the breeze, add a second weekly service for crews over 10 people, and order enough units so no tank fills between visits. Keep trash out of the tank; it blocks pumping and holds odor.

For events, a unit delivered the day before is fresh at start time; event units of up to 5 days rarely need a mid-rental service.

When should you add a second weekly service?

Add a second weekly service when more than 10 workers share one unit, when crews work 50 or more hours a week, or when temperatures stay above 90°F. Extra visits start at $45. Adding a second unit is often cheaper than two extra visits a month on a long job.

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