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Introducing the Camco Rhino Holding Tank Cleaner Drop-Ins – the ultimate solution for keeping your RV's holding tanks clean and odor-free, so you can focus on reeling in the big ones and enjoying the great outdoors!


  • Powerful Cleaning Action: These drop-ins are specially formulated to break down waste and tissue, ensuring thorough cleaning and preventing clogs in your RV's holding tanks.
  • Odor Control: Say goodbye to unpleasant odors! The Rhino Holding Tank Cleaner Drop-Ins contain enzymes that target and neutralize odor-causing bacteria, leaving your RV smelling fresh and clean.
  • Easy to Use: Simply drop one pre-measured tablet into your RV's toilet and let it do the rest! No measuring or messy liquids required – just effortless cleaning with every flush.
  • Safe for All Tanks: Whether you have a black, gray, or portable holding tank, you can trust that these drop-ins are safe and effective for all types of RV waste systems.
  • Convenient Packaging: Each pack contains enough drop-ins for multiple uses, ensuring that you always have a supply on hand for your next camping adventure.

Tips for Use:

  1. For best results, use the Rhino Holding Tank Cleaner Drop-Ins regularly, especially before and after extended trips or periods of storage. This helps maintain optimal cleanliness and prevents buildup in your RV's holding tanks.
  2. To maximize odor control, consider combining the drop-ins with regular tank flushing and the use of RV-friendly toilet paper. This three-pronged approach ensures a clean, fresh-smelling RV environment for you and your fellow outdoor enthusiasts.

Don't let holding tank maintenance hold you back from enjoying the great outdoors – grab a pack of Camco Rhino Holding Tank Cleaner Drop-Ins today and experience hassle-free camping and fishing adventures like never before!

Manufacturer : Camco
Manufacturer Part No : 41560
UPC : 014717415606

Regular price $13.99 USD
Regular price $13.99 USD Sale price $13.99 USD
Sale Sold out
Shipping calculated at checkout.

167 in stock

⚠️Warning: this product may contain harmful chemicals known to the state of California, to cause serious birth defects or reproductive harm, or have carcinogenic chemicals. For more information visit⚠️

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Frequently Asked Questions

Who is Grants Fishing Company

Grant's Fishing Company emerged in March 2023 as a passion project in Minneola, FL, born out of a love for angling and outdoor adventures. Founded by avid anglers, the company set out with a vision to provide fellow fishing enthusiasts with high-quality gear and equipment to enhance their fishing experiences. What began as a small-scale venture quickly gained momentum, fueled by the dedication to delivering premium products and exceptional customer service. Grant's Fishing Company soon became a beacon for local anglers seeking reliable gear and expert advice to elevate their fishing endeavors.

At Grant's Fishing Company, we cater to the diverse needs of anglers and outdoor enthusiasts with an extensive range of fishing gear, camping supplies, and boat outfitting essentials. Whether you're seeking top-of-the-line fishing rods and reels, durable camping equipment for wilderness excursions, or essential boat accessories, we have you covered. Our inventory encompasses a wide selection of products meticulously curated to meet the demands of seasoned anglers and novices alike. From high-performance fishing lines to rugged tents and marine electronics, we prioritize quality and functionality to ensure optimal performance in every outdoor pursuit.

To our valued customers, we extend our heartfelt gratitude for your unwavering support in fostering the growth of our small business. Your trust and loyalty have been instrumental in our journey, and we are deeply honored to be your preferred choice for fishing and outdoor gear. At Grant's Fishing Company, we remain committed to exceeding your expectations, delivering premium products, and personalized service that you can rely on. Rest assured, you've made the right choice in choosing us as your partner in adventure, and we look forward to continuing to serve you with excellence. If we can answer any questions you may have please reach out anytime on our contact page or by emailing

Where do Products ship from?

As soon as we receive an order, it goes directly to our suppliers here in Florida and also in the US. This allows us to get the products shipped directly to you as quickly as possible. All of our suppliers are located in the United States.

We do our best to choose the most economical options for shipping of all of our products. For smaller items they typically will ship to you via USPS, unless otherwise requested. Other carriers may mean additional fees.

For larger items especially combos, rods, and trolling motors, these will ship to you through UPS or Fedex. Batteries and heavy items will also ship via UPS or FedEx.

Outside the United States we will choose the most economical route possible to get the item to you securly.

Orders are processed immediately in order to get the shipping initiated as quickly as possible. When we become aware of any delays or backorders we will reach out to the email you have provided on your order to make you aware of any issues with delivery.

If I need to return an item how does that work?

Returns and Refund Policy

  • You have 14 calendar days to return an item from the date you received it.
  • Items must be unopened and in the original packaging
  • Customer provides return shipping
  • 15% restocking fee for combos, rods, and other large items.
  • No final sale items
  • Please contact to initiate returns.

Once we receive your item, a refund is initiated immediately.

  • If you paid by credit or debit card, refunds will be sent to the card-issuing bank. Please contact the card-issuing bank with questions about when the credit will be posted to your account.

Where is Grants Fishing Company Located

Minneola, FL, United States

Product Warranty

Any products with manufactures warranties will be addressed by the manufacturer.