Best in 7 days
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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
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Description
Thetford Duo Tank Cleaner Concentrate 800mlThis Duo Tank Cleaner has been specially developed to remove even the most stubborn calcium deposits and severe scaling with the utmost of ease. The new concentrated formula is designed for use on both Waste Cassettes and grey water tanks. Product Usage: Use in the waste holding tank , 1. Add 200ml to the empty tank 2. Add 5L of luke warm water 3. Shake tank vigorousley Use in the grey water tank: 1. Add 600ml to the empty tank via the sink or shower
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- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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- We offer a 30-day return/exchange service after receiving.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.4 ★★★★★
Based on 1586 reviews
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Product Reviews
★★★★★ 4
Tough toy but even tougher to get clean!
Color: Red
My puppy is an aggressive chewer and he was only semi-interested in this toy. It hasn't been my favorite, either, due to it being pretty difficult to clean thoroughly. The toy is, however, very durable and its thick rubber has held up to the many bounces on hard floors and tough chew sessions it's been subjected to over the past few months.
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Reviewed in the United States on January 6, 2026
★★★★★ 5
A pup favorite and has held up well!
Color: Yellow
My adult dogs really like this treat feeder and love working to get the goodies out of it! It’s held up well over many months despite their biting and gnawing on it, so a good purchase overall. It’s also different than the usual Kongs so adds some variety to their feeder puzzle repertoire to keep up the diversity of mental stimulation.
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Reviewed in the United States on May 25, 2026
★★★★★ 3
Not tough enough
Color: Red
Finding durable chew toys for my pup is a challenge. When I placed a medium dog biscuit inside this, it kept him busy for awhile. But then I noticed small pieces of the toy around the house and discovered that he had managed to shred it. I've since discarded it and continue to search for toys guaranteed to be safe for "aggressive chewers".
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Reviewed in the United States on February 20, 2026
★★★★★ 5
Loves it
Color: Red
He loves this thing. He was able to chew some pieces off, but otherwise it is very durable. He likes to bounce it around to get treats out of the middle and the holes on the sides is where additional treats can be placed. It washes up fairly easy . Perfect size for my 40 pound dog
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Reviewed in the United States on June 7, 2026
★★★★★ 5
Indestructible and keeps dog occupied
Color: Red
I use kibble in mine. My dog loves it and cant destroy it, which is an impressive feat
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Reviewed in the United States on May 15, 2026
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