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Upgrade Your RV Fresh Water & Waste Holding Tanks

USA-made, rotomolded polyethylene tanks built for DIY installers—fresh-water safe, battle-tested for waste, and customizable to fit your rig.

Rugged, Reliable, USA-Made Quality

One-piece durability. Seam-free walls mean no weak points, virtually eliminating leak risk.
Food-safe resin. BPA-free polyethylene that meets FDA potable-water guidelines keeps water clean and tasteless.
Corrosion & impact resistance. Poly won't rust, dent, or crack under normal road vibration and chemical exposure.
10 + year life expectancy. Rotomolded tanks routinely deliver a decade or more of service with proper support and winterization.
Proudly built in the USA. You support domestic manufacturing and strict QC standards with every purchase.

Capacities from10 gal to 100 gal, plus dozens of footprints for motorhomes, trailers, van conversions, and skoolies.

Food-grade interior, smooth walls for easy sanitizing.

Extra-thick walls, standard 3″ dump outlet. Odor-tight and chemical-resistant.

Blank tanks for DIY.Most tanks ship without holes or pre-installed fittings. See each product page and photos for details.
Custom installed spin-weld fittings. We can custom install fittings to your specifications.
Unique shapes & sizes. Hundreds of sizes available.

Fast Shipping on In Stock Tanks. Most in-stock tanks ship in 1-3 business days. Custom made tanks usually ship in 2-4 weeks.
Lightweight. Poly tanks are easy to handle solo yet plenty strong when full.
Direct-swap sizing. Many models match OEM footprints for straightforward replacement.
Cost-effective. Factory-direct pricing keeps upgrades budget-friendly.

Are your tanks safe for drinking water?

Yes—fresh-water models use BPA-free, FDA-compliant polyethylene. Many sizes also carry NSF potable-water certification.

How long will a tank last?

With proper mounting and winterization, rotomolded polyethylene typically delivers 10 years or more of leak-free service.

What's the difference between fresh, gray, and black tanks?

Fresh holds potable water; gray collects sink/shower runoff; black stores toilet waste. Construction is similar - usage and plumbing differ.

Do fittings come installed?

Most tanks do not include fittings since every RV is different. We can custom add fittings to your tank. See each product page for details.

Can I install the tank myself?

Absolutely. Lightweight construction and easy to add spinweld fittings make DIY swap-outs a weekend job.

How fast will my tank ship?

In-stock tanks leave our warehouse in 1-3 business days. Custom Order tanks usually ships in 2-3 weeks; see each product page for details.