Compared across 3 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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This is a 1-gallon concentrate from Simpson, a brand best known for pressure washers, made to clean washable outdoor surfaces. It lifts mold, mildew, dirt, oil and grease, and the non-butyl formula is milder than the solvent-heavy degreasers many rivals sell. It can go straight from the bottle or be diluted up to 1/2 oz per gallon, so one jug covers a lot of deck, siding or concrete. It suits homeowners with a pressure washer or scrubber; buyers wanting a ready-to-spray bottle or a dedicated mold killer should look elsewhere.
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Lowest price we've seen: $12.99 on Nov 11 at Blain's Farm & Fleet. Tracked across 3 stores since Nov 11.
This is a concentrated, disinfecting all-purpose cleaner that removes mold, mildew, dirt, stains, oil and grease from washable surfaces. It uses a non-butyl degreasing formula to cut through tough oil and grease. The formula rinses freely and does not leave a film behind.
It can be used on decks, fences, patios, siding, brick, concrete and outdoor furniture. It can also be used on cars, trucks, bikes and RVs. It works with pressure washers, automatic scrubbers and steam cleaners, or it can be applied by hand by spraying, mopping or wiping.
The cleaner can be used directly from the bottle or diluted up to 1/2 oz. per gallon of water. On vertical surfaces, apply it from the bottom up and rinse from the top down.
