top of page

300 Gallon Vertical Tank

Polyethelene (Poly) Tank

1.2 Specific Gravity

Constructed with durable, rotationally molded polyethyelene resin

Resistance to cracks, chips, and ruptures

UV inhibitors to protect liquid contents from direct sunlight

Indoor and outdoor use

Color: Black

 

Vertical Tanks are for storage and are not to be pressurized.

Durable Water Storage Built for Long-Term Reliability

When you need dependable water storage that performs in demanding environments, the 300g black vertical water tank from USA Tank delivers industry‑leading value with superior durability, safer materials, and long‑term performance that outlasts lower‑grade alternatives. Engineered from high‑quality, BPA‑free polyethylene and manufactured using rotational molding for uniform wall thickness, this tank meets strict material safety expectations for long‑term water storage. Its UV‑stabilized resin helps protect water quality, while its durable construction supports both residential and commercial applications.

 

Whether you’re preparing for natural disasters, expanding agricultural operations, or upgrading your property’s water system, this tank provides a reliable, affordable option backed by expert craftsmanship and industry‑trusted materials.

 

Installation Requirements and Best Practices

Proper installation is essential for maximizing the lifespan and performance of your tank. Start by preparing a stable, level foundation—such as a concrete pad, compacted gravel base, or reinforced soil—to ensure even weight distribution and prevent structural stress over time. Because certified polyethylene expands and contracts with temperature changes, allow adequate clearance around fittings and avoid overtightening valves or accessories to preserve structural integrity. Ensure the tank is positioned away from sharp objects and direct heat sources, and review local regulations regarding water storage placement. If connecting the tank to pumps, filtration systems, or gravity‑fed lines, confirm compatibility with approved fittings to maintain safety and performance.

 

For additional tank options, explore our full line of vertical water tank models.

 

Recommended Uses and Applications
This 300g black water storage tank is designed for a wide range of uses, making it a versatile choice for homeowners, farmers, and commercial operators. It’s ideal for rainwater harvesting, irrigation, livestock watering, emergency preparedness, and potable water storage when paired with food‑grade fittings. Ideal for regions facing drought conditions or water‑supply instability. Its UV‑protected, certified‑safe materials help maintain water purity, making it suitable for long‑term outdoor use. Preppers and rural property owners appreciate its durability during extreme weather, while contractors rely on it for job‑site water supply. Its chemical‑resistant construction also supports select non‑corrosive industrial applications.

 

Maintenance and Cleaning Instructions

Routine maintenance helps preserve water quality and extend the life of your tank. Inspect fittings and valves periodically for signs of wear, and clean the interior annually using a mild, non‑abrasive solution that won’t compromise the tank’s certified resin. Avoid harsh chemicals that may damage the polyethylene surface. If storing potable water, flush the tank regularly to prevent sediment buildup and maintain safety standards. In colder climates, ensure the tank is winterized to prevent freezing damage. With proper care, your tank will provide years of dependable, safe service.

 

If you’re ready to upgrade your water storage system with a tank built for long‑term performance and certified material safety, reach out to the USA Tank team today and let our specialists help you choose the right solution for your project.

Frequently Asked Questions

Can this tank be used for potable water?

Yes, when paired with food-grade fittings and proper sanitation practices.

How does the tank perform in extreme temperatures?
Polyethylene tanks handle a wide temperature range, but insulation or shading may be recommended in very hot or cold climates.

Can I bury this tank?
Vertical tanks are not designed for burial; doing so may void the warranty.

What accessories are recommended?
Level gauges, overflow kits, and high-quality valves improve functionality and monitoring.

300g Black Water Storage Tank

SKU: UST-300VTBL
$395.12 Regular Price
$355.61Sale Price

10-OFF

Quantity
  • Gallon Capacity 300

    Lid Size

    8"

    Max Temperature

    140F

    Shape

    Vertical

    Specific Gravity

    1.2
    Weight 80lbs
    Material Polyethylene
    Warranty 3 years
  • Diameter 46"
    Height 52"

Reviews

Rated 5 out of 5 stars.
Based on 1 review
1 review

  • Freddie ScottJun 03, 2025
    Rated 5 out of 5 stars.
    Verified
    Black water tank

    Quality built. Exactly what I wanted. Good price

    Was this helpful?

Related Products

Discover the Best Selection of Plastic Tanks at USA Tank

USA Tank offers an extensive selection of above-ground plastic tanks, including septic tanks, rainwater tanks, RV tanks, boat tanks, and poly tanks, designed to meet your specific storage needs. We supply a wide range of water storage solutions suitable for commercial, industrial, residential, and agricultural projects, available in various sizes, styles, and high-quality materials such as HDPE (High-Density Polyethylene). With competitive pricing and nationwide delivery across the USA, our specialists are ready to assist you in selecting the perfect plastic tank to achieve your goals. Browse our online inventory today and experience reliable, cost-effective tank solutions tailored to your project.

bottom of page