Trusted by 2,000+ boaters and pros
Suncover for Flushmaster
Suncover for Flushmaster
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Protect your Flushmaster from the elements with our custom-fit Suncover. Designed to shield your unit from UV rays, salt spray, and debris, it helps extend the life of your equipment and keeps it looking new. The durable, weather-resistant material ensures your Flushmaster is safeguarded whether you're on the move or docked.
Key Features:
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Superior UV Protection: Crafted from a premium custom blend of plastic infused with UV additives, the Sun Cover effectively combats sun damage, preserving the integrity, aesthetics, and functionality of your Flushmaster device.
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Enhanced Durability: The robust construction of the cover offers exceptional resistance to drops and impacts, safeguarding your device during both storage and operation.
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Marine-Grade Components: The suncover incorporates a 316 stainless steel hinge, renowned for its corrosion resistance. It is built to withstand the demanding marine environment, ensuring long-lasting durability.
- Upgraded Mounting: Designed with three mounting holes instead of the standard one on the Flushmaster device, this sun cover is sure to make positioning and mounting your device easier than ever.
Invest in the Flushmaster Sun Cover to maintain the reliability and longevity of your outboard flushing system, ensuring your equipment remains in peak condition for every voyage.
- Spray It On: Apply directly to salt-covered surfaces — or flush through your engine.
- Let It Sit: Wait 2–5 minutes while the formula dissolves salt buildup.
- Rinse or Wipe Clean: Wash it off with fresh water or wipe with a cloth. That’s it.
- After boating, jet skiing, or fishing in saltwater
- Flushing outboard and inboard marine engines
- Cleaning trailers and wheel wells exposed to winter road salt
- Maintaining reels, rods, dive gear, and underwater camera equipment
- Protecting cars, trucks, RVs, ATVs, and off-road vehicles
Is this safe for all surfaces?
Yes! Our formula is safe to use on fiberglass, gelcoat, painted surfaces, metal, chrome, plastic, rubber, and vinyl. It’s non-abrasive and leaves no residue behind.
Can I use this on my boat engine?
Absolutely. Cancel The Salt is engine-safe and designed for use in marine engine flush systems. It helps dissolve internal salt deposits, which can boost performance and extend engine life.
Do I need to scrub the salt off?
Nope. Just spray it on, let it sit for a few minutes, and rinse or wipe clean. The chemistry does the heavy lifting — no harsh scrubbing required.
Does it leave a coating or residue?
It leaves behind an invisible protective barrier that helps repel moisture and prevent salt from sticking again — but it won’t leave any greasy film or buildup.
Can I use it on my vehicle?
Yes — it works great for removing road salt from cars, trucks, trailers, and underbodies. It’s safe for paint and chrome, and helps prevent rust and corrosion.
How often should I use it?
After every saltwater outing or salty road exposure is ideal. For best results, use it as part of your regular maintenance routine — especially before storage.
Will it harm decals, wraps, or wax?
No. It’s designed to be gentle on coatings while still being tough on salt. Always test on a small area if you’re unsure, but most wraps, waxes, and decals are unaffected.
Is it made in the USA?
Yes — we proudly formulate and produce our products in the USA.
Fiberglass, chrome, gelcoat, plastic, rubber, vinyl, paint, and metal — even engine parts.
Formulated to be non-toxic, non-abrasive, and non-corrosive. No harsh scrubbing needed.

Suncover for Flushmaster
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1st Due protects 2,000+ boats, cars & crews
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Mike B. -
Emily T. -
Tyler G. -
Kevin R. -
Steven H.
Engineered for Shine & Protection
Optimized rise, flare, backsweep and compact drops for superior handling on any terrain.
Powerful Salt Removal & Defense
Cleans away salt from boats, cars, and gear.
Full-Boat Protection
Safe for fiberglass, metal, vinyl, rubber & more.
Restore Shine, Fast
Lifts dull salt haze and brings clarity back.
Engine-Flush Friendly
Formulated for internal use without damage.