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Saving my Derasa clam with a freshwater dip! Pinched Mantle Disease treatment

7.1K views· 304 likes· 16:52· Dec 21, 2025

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The Tridacna clam is a milestone for many reefers. A sign you have moved from beginner into the intermediate stage of the hobby. One of the most feared moments is seeing the clam’s normally open mantle suddenly pull in tight. Over the next few days, the pinching spreads, part by part, while the hobbyist watches helplessly. Not anymore. There is a well known treatment using a freshwater dip for a short, controlled period to address this condition. In this video, I put it to the test and document the entire process. Video Chapters: 0:00 - Derasa Clam showing Pinched Mantle Disease - PMD 0:33 - How to Fresh Water Dip a clam to treat Pinched Mantle Disease 3:13 - After the first dip... (3 days later) 4:03 - Freshwater dip round 2 5:00 - The turning point! 5:54 - Lyretail Anthias looking rough 7:59 - Derasa clam looking better! 11:22 - The challenge with Pinched Mantle Disease... 13:13 - Colorado Sunburst Anemone update 14:59 - Alkatronic acting up 16:02 - Utter Chaos Zoas More Inappropriate Reefer Content: Shop Reef-Themed Merch: https://inappropriatereefer.creator-spring.com/ Instagram: @inappropriatereefer Email: inappropriatereefer@gmail.com

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