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Our on-line store is open 24/7 and we ship Monday through Friday, excluding some holidays. Orders received for products without shipping restrictions on its product page will ship the same business day when received before 12:00 p.m. PST. Orders in high demand will have an estimated production time listed on its product page and will ship according to the date listed.
TST Concentrated RV Toilet Treatment breaks down waste and tissue to stop odors up to 7 days. 4 ounces treats a 40 gallon holding tank. Lubricates and cleans sensors. No harmful formaldehyde.
We are a Seattle, WA based outdoor gear store with a mission to make climbing, backpacking, skiing & mountaineering accessible and enjoyable for everyone.
© 2026, Master Store
