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Traditional products cleaning efflorescence (white powdery stains) are messy, labor intensive acidic cleaners requiring cleanup.

Efflorescence Treatment" is non-acidic and applies easily with no scrubbing or wiping. It carries the efflorescence salts below the surface without any further action required.

"Efflorescence Treatment" is extremely successful for brick, tile, and other clay products. Results on dense concrete are good, but porous concrete products are less predictable. "Efflorescence Treatment" will at first darken the surface, then lighten in a few days. The end result is usually a slight amount darker than the original and helps to mask stains and even out color variations. Therefore, for color consistancy it is usually best to do the entire surface.

Average coverage is 150 – 300 sq. ft/gal depending on material absorption rate and quantity of efflorescence to remove. See “crystalline efflorescence” below.

For additional information and assistance with your particular wall or flooring material and the subjects indicated by underlined text, see the sales counter and/or visit the Aldon web site at


Efflorescence is water soluble salts carried from below by water, which then evaporates and leaves the powdery salts on the surface. "Efflorescence Treatment" will carry these powdery salts back below the surface and hold them there, if water migration to the surface no longer exists. If the powder has been present for some time, and been subject to repeated wetting, it can convert to a crystal structure. Sometimes the crystals are small enough to look the same as powder, but because they are attached tightly to the surface they may resist being carried below. This is a common condition with Mexican tiles right out of the crate, because they are often stored outside and receive much rain water. For crystalline efflorescence, do a pre-cleaning with Aldon "Grout Residue Remover - Brick & Block Cleaner". Some amount of fizzing is the obvious indication of the crystals being eaten away . If there is no “fizz” reaction, it is probably something other than efflorescence. Finish up with “Efflorescence Treatment" to take care of any residual efflorescence, and even out the color tones.


Probably, unless you stop the water action that causes efflorescence. Any Aldon sealer will stop surface water, but for sub-surface originating water, you need one of our "penetrating" type sealers. “Efflorescence Treatment” is a solvent base product, therefore a solvent base sealer is the most compatible. If using one of our water based penetrating sealers, just allow a longer drying time before sealer application and test for penetration and adhesion. These sealers create a barrier below the surface that allows water vapor transmission, but usually stops passage of the salts to the surface.

APPLICATION TECHNIQUE: Open cap slowly to vent! Clean equipment with mineral spirits.

Patch all holes and cracks in grout or mortar that allow entry of water. Surface must be dry and absorbent. If accidentally applied to a sealed or non-absorbent surface, any oily residue remaining on the surface can be removed with Aldon “Insta-Clean” and a clean, white cloth.

If efflorescence has appeared beneath an existing sealer, the sealer must be stripped before treatment. Use Aldon "Premium Stripper" for the most powerful stripper available. (Note: “Efflorescence Treatment” can penetrate through some surface coated sealers and work, but uneven penetration can cause uneven coloring.)

Wear solvent resistant gloves, and all else necessary for protection of breathing, eyes, and skin. Do not dilute.

Apply as is by paint brush, spray, or short nap roller. No agitation or scrubbing needed. Use as little as possible, but as much as necessary to carry the white powdery material below the surface.

Allow a few hours to evaluate before applying more. Overuse could effect sealer bonding and cause streaking in some sealers on some light colored materials.

Use as often as desired, or else seal as described to prevent reoccurrence.

Patch test the process of treating and sealing before proceeding to the entire job. Allow 7 days or more (depending on humidity) before sealing. This will allow for drying time and evaluation of the final appearance before sealing.

FIRST AID: IF SWALLOWED - Call a physician or Poison Control Center for safe way to induce vomiting if called for. IF INHALED - If odor is strong or you notice dizziness, headache or eyewatering -STOP - leave area immediately. IF EYE/MUCOUS MEMBRANE CONTACT OR SKIN IRRITATION: Flush with water for at least 15 minutes. IN ALL CASES - Immediately contact a physician & the Poison Control Center! Emergency number 800-535-5053 or 352-323-3500 DANGER-COMBUSTIBLE Contains Petroleum Distillate. Reports have associated repeated or prolonged occupational overexposure to solvents with permanent brain & nervous system damage. Avoid if allergic. Harmful or fatal if swallowed. Vapor harmful. Avoid prolonged contact with skin. Use only in a well ventilated area. Keep away from heat or open flame as could produce toxic gases. Do not transfer contents to other unlabeled containers. Close container after use. Non-photochemically reactive. This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Risk to your health depends on level and duration of exposure. We believe that there is no significant risk in the normal use of the product. Intentional misuse by deliberately concentrating and inhaling contents may be harmful or fatal. This product can damage asphalt, synthetic fibers, plastics or rubber. Store in a cool place! NOTE: Patch testing is always advisable to insure the results will be as expected. Each application has a different set of variables and because of possible miscommunication or misunderstanding of the conditions, final approval, prior to use, must be the responsibility of the user, regardless of recommendations by the manufacturer or seller. The information contained herein is to the best of our knowledge and belief accurate, however, due to the fact ALDON has no control over proper surface preparation or application methods, no guarantee as to results is offered, expressed or implied. ALDON products are inspected before shipment and conform to ALDON'S usual standards of quality for such goods at the time of shipment to ALDON'S purchaser. All other warranties whether expressed or implied, including any warranties of merchantability and fitness for purpose, but without limitation thereto, are expressly excluded. ALDON shall not be liable for consequential or special damages, nor for any damages in excess of purchase. ALDON CORP.- Reno, NV. 89504 TM: Trademarks of Aldon Corporation © 1999, Aldon Corporation