Stone Cleanse Size:1 gal. Extended dwell time is very

Extended dwell time is very important when using this product

Heritage Restorer is always used undiluted

Use high pressure to rinse if the application calls for it

Heritage Restorer is a restoration detergent for historical or sensitive substrates

Non-yellowing with added UV stabilizers

Stone Cleanse Size:1 gal. Extended dwell time is veryDescription: Stone Cleanse is a no scrub, no rinse cleaner that is safe and effective for removing stains caused by algae, mildew, mold, moss, and lichen from exterior surfaces without the use of hazardous chemicals (such as bleach) or the harmful effects of pressure cleaning. Stone Cleanse is perfect for use on sensitive surfaces such as monuments and sculptures, but can be used on any exterior surface, including roof, sidewalks, decks, fences, and