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Aquatic Plant Care

Pond plants add beautify and improve water quality of your pond.

  • Aquatic Plant Tools help maintain the plants.
  • Aquatic Planting Media is soil comprised of a unique blend of natural minerals, including zeolite, which provides a clean, easy to use planting media for water gardeners. It is recommended for all potted aquatic plants, and will not change pH or color the pond water.
  • Aquatic Pest Control removes aphid pests off of your pond plants.
  • Aquatic Plant Food Liquid is designed to be added to the pond water. The nutrients will be absorbed by all aquatic plants insuring that your pond plants keep.
  • Islandscapes provide added protection for fish, added biofiltration such as nitrate removal, shade, and a natural food source for fish and other life.
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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