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Small Pond Aerators

Continuous duty aeration system is ideal for both summer time aeration and winter time deicing. Powered by a long lasting, super quiet air dual outlet compressor that costs only pennies per month to operate!

Installing an aeration system has many benefits including:

  • Ensures adequate oxygen levels during hot summer months
  • Maintains open water during winter months in freezing climates eliminating winter kill
  • An energy efficient way to aerate, destratify and circulate water in water gardens and koi ponds
  • Increased oxygen levels, which will help with decomposing organic material, result in a cleaner and healthier pond
  • Reliable — linear compressors have few moving parts making them less likely to need repair
  • Easy to install — compressors sit on shore connected by tubing to bottom mounted air diffusers
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Koi Pond Supplies & Water Garden Equipment

Underwater Warehouse is your ultimate destination for koi pond supplies and equipment. We offer everything you need to create, maintain, and enhance stunning water features and backyard water gardens. Whether you're a seasoned pond enthusiast or just starting, our wide selection of koi pond filters, pumps, liners, water treatments, and more ensures your water feature stays beautiful. Get all your pond essentials shipped conveniently throughout the United States.

Pond Supplies, Kits, & Lighting

Discover everything you need for your koi pond or water garden at Underwater Warehouse. Our collection features essential pond supplies, including convenient pond kits for new setups or upgrades. Illuminate your water features with our variety of pond lighting options, transforming your backyard into a stunning focal point.

Water Garden Supplies

Create a peaceful water garden oasis in your backyard with Underwater Warehouse. We offer a full array of water garden supplies, including external and submersible pumps, and essential water treatments. Our products help maintain a healthy, thriving natural ecosystem, ensuring your water feature stays beautiful all year long.

Water Features and Fountains

Elevate your backyard with our stunning selection of water features and fountains. Whether you're seeking a small, decorative fountain or a grander water feature to complement your koi pond or lake, we offer a wide variety of styles and sizes. Our beautiful and functional pieces help you create a serene and inviting outdoor oasis.

Our Partners

Lighting World WarehousePond WarehouseAll Alliance LightingThe Pond & Rock Shop