100 Gallon Stock Tank Cover

100 Gallon Stock Tank Cover (Waterproof Soft Cover)

The Polar Protector 100 Gallon Stock Tank Cover is a durable, easy-to-use solution for keeping your tank clean, protected, and ready to use—blocking debris, reducing evaporation, and helping maintain water quality in outdoor conditions.

Made from heavy-duty 600D waterproof canvas, this cover is built for everyday use on 100 gallon oval stock tanks used for cold plunges, livestock watering, and outdoor water storage.

Key Benefits

• Keeps debris out including leaves, bugs, and dirt
• Reduces evaporation to help conserve water between uses
• Helps maintain water temperature with light insulation
• Waterproof 600D canvas construction built for outdoor durability
• Drawstring and buckle system creates a secure, stay-put fit

Built for Everyday Outdoor Use

This soft stock tank cover is designed for real-world conditions. The lightweight design makes it easy to remove and replace, while the rugged 600D fabric resists tearing, sun exposure, and weather—making it a reliable solution for daily use.

Designed for a Secure Fit

Custom made for 100 gallon oval plastic stock tanks, this cover features reinforced handles, a buckle-tightening system, and an adjustable drawstring to create a snug fit. This helps keep the cover in place while minimizing debris and environmental exposure.

Ideal For

• 100 gallon oval plastic stock tanks
• Cold plunge and ice bath setups
• Livestock watering tanks
• Outdoor tanks exposed to debris, bugs, and weather

Versatile Protection

Whether you’re using your tank for cold therapy, farming, or general outdoor use, this cover helps reduce contamination, limit debris buildup, and cut down on maintenance—keeping your water cleaner for longer.

Soft Cover vs. Hard Cover

This soft cover is ideal for lightweight, everyday protection and ease of use. If your priority is maximum insulation and temperature retention, consider upgrading to a hard insulated cover. For even better efficiency, pair this cover with a neoprene sleeve to insulate the sides of your tank.

Fit & Compatibility

Designed for 100 gallon oval plastic stock tanks (approx. 55" L x 35" W with a 7" drop). Always confirm your tank dimensions before ordering to ensure proper fit.

Frequently Asked Questions

Is this cover waterproof?
Yes. It is made from heavy-duty 600D waterproof canvas designed for outdoor use.

Does this keep debris out of my tank?
Yes. It helps block leaves, insects, dirt, and other contaminants from entering your water.

Does this provide insulation?
It provides light insulation and can help slow temperature changes, but it is not as insulating as a hard insulated cover.

Will it stay on in wind?
Yes. The buckle and drawstring system help keep the cover secure in typical outdoor conditions.

Is this only for cold plunges?
No. It also works well for livestock tanks and other outdoor water applications where cleanliness and protection matter.