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Calcite Presoak

Removes Calcite on Clay Brick (ONLY)

Calcite Presoak is designed to facilitate the removal of calcite on clay brick (USE ON CLAY BRICK ONLY). Used in conjunction with NMD 80, this combination will ensure the complete removal of calcite.
Apply the Calcite Presoak undiluted and allow it to dwell on the surface for approximately five minutes. Repeat this process without rinsing until little pin holes have opened up. Then, apply NMD 80 diluted four parts water to one part solution (4:1) without rinsing off the Calcite Presoak; allow a five to ten minute dwell time. Rinse completely to get the desired results.
Calcite Presoak Product Spec Sheet
Calcite Presoak Safety Data Sheet
Architectural Spec Sheets

Dilutions:

Calcite Presoak is always used undiluted.

Coverage Rates:

Coverage rates will vary based on severity of calcite build-up. Proper testing will determine actual coverage rate.

Application Instructions:

1. Apply Calcite Presoak undiluted directly to the affected areas. A heavy white foam will result – allow this foam to collapse.
2. Re-apply Calcite Presoak undiluted without rinsing directly to the same affected areas.
3. Do a scratch test to determine if you can see the substrate beneath the calcite. If not, repeat steps 1 and 2.
4. Once the substrate is visible beneath the calcite, apply NMD 80 diluted 4 parts water to 1 part NMD 80 over the treated area. Heavy white foam will form. Calcite is completely removed once white foaming ceases.
5. Complete with another application of NMD 80 diluted 4 parts water to 1 part NMD 80. As long as there is no white foaming, you are ready to rinse.
Note: Do not allow Calcite Presoak to run down the surface as bleaching may occur. Apply enough product ton the calcite deposits without over soaking to avoid runs. If runs occur, rinse the excess immediately.

Rinsing:

Proper rinsing techniques determine the final look and quality of the job. A thorough rinse job is always recommended; however, our chemistry never requires flooding the surface. Calcite Presoak and NMD 80 4:1 can be rinsed using cold water. Pressures that mark the surface should be avoided. When in doubt, follow the manufacturers recommended P.S.I. for the substrates. Do not use a zero-degree nozzle
Caution: Do not allow the product to dry on a surface.
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