White Scum Presoak
Deposit Removal Presoak

• A presoak softener to facilitate the removal of white scum (calcite) on block, brick or concrete

• White Scum Presoak can also remove calcite deposits from concrete masonry units (CMU).  In this application White Scum Presoak must be followed with an application of NMD80 to ensure complete removal of white scum.

Specifications:

• Coverage:

  • Always use Undiluted, Straight

  • Based on Substrate

  • Severity of Buildup

• Application:  Spray or Brush

• How To Use / Prod Specs

Size:  5-Gallon Pail

Description

Used in conjunction with NMD 80, this combination will ensure the complete removal of calcite.

First apply the White Scum Presoak undiluted and allow it to dwell on the deposit only for approximately five to ten minutes.

Apply NMD 80 using an EC Jet (dilutes four parts water to one part solution (4:1) automatically) without rinsing off the White Scum Presoak; allow a five to ten minute dwell time.

Rinse completely with a pressure washer to get the desired results.  Repeat as necessary.

ADVANTAGES

Cleaning Power of White Scum Presoak

Brick			Brick
White Deposit			White Deposit

Clay Brick
White Deposit
This brick retaining wall suffered from severe efflorescence. White Scum Presoak, followed by NMD 80, was used to return the brick to their natural state.

Split Face Block			Split Face Block
White Deposit			White Deposit