{"product_id":"camco-mfg-40221-holding-tank-treatment-4-oz-8-pack","title":"Camco Mfg 40221 Holding Tank Treatment 4 Oz 8 Pack","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe CAMCO MFG 40221 is a ready-to-use holding tank treatment designed to control odors and lubricate tank sensors in RV, portable, and residential holding tanks. Each package contains eight single-dose 4 oz bottles, and each bottle treats up to 40 gallons of tank capacity. No mixing or measuring is required — uncap and pour. The formula works by targeting odor-producing bacteria at the chemical level before odors develop rather than masking them after the fact. Licensed service professionals and RV technicians rely on single-dose packaging to simplify routine maintenance and avoid overapplication. The product is safe for all holding tank types and approved for discharge into septic systems.\u003c\/p\u003e\n\u003cp\u003eThis treatment is suited for RV black and gray water holding tanks, portable waste tanks, and residential or commercial holding tanks that discharge into septic systems. The single-dose format is practical for fleet maintenance programs, campground service accounts, and owner-operators who need a consistent, repeatable dosing routine without measuring equipment on hand. Each 4 oz bottle is sized for tanks up to 40 gallons, making it straightforward to scale dosage for larger tank volumes.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSingle-dose 4 oz bottles — no mixing or measuring required\u003c\/li\u003e\n  \u003cli\u003eEach bottle treats up to 40 gallons of holding tank capacity\u003c\/li\u003e\n  \u003cli\u003ePrevents odor development at the chemistry level rather than masking existing odors\u003c\/li\u003e\n  \u003cli\u003eLubricates tank sensors to help maintain accurate level readings\u003c\/li\u003e\n  \u003cli\u003eSafe for all holding tank types and compatible with septic system discharge\u003c\/li\u003e\n  \u003cli\u003e8 bottles per package for extended service intervals or multi-tank applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in all holding tank types including RV black water and gray water tanks, portable waste tanks, and holding tanks that discharge into septic systems.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis product is added directly to the holding tank — no tools or trade licensing are required for routine application. For service professionals handling tank systems, follow all applicable local codes for waste handling and personal protective equipment when working around open tank connections. Ensure the tank valve is closed before adding treatment to allow proper contact time with tank contents and sensors.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 8 bottles\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBottle Size\u003c\/strong\u003e: 4 oz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoverage Per Bottle\u003c\/strong\u003e: 40 gallons\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: EA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 11.6 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: CAMCO MFG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 40221\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CAMCO","offers":[{"title":"Default Title","offer_id":51559670513970,"sku":"40221","price":67.53,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/5b6b81cbb91e726436f3532169fab3ad.jpg?v=1786437712","url":"https:\/\/voomisupply.com\/products\/camco-mfg-40221-holding-tank-treatment-4-oz-8-pack","provider":"Voomi Supply","version":"1.0","type":"link"}