COLORED HALO STANES WITH SHARP CONTOURS

Problem

Deposits or Organic Substance.

Possible Cause

Solution

Rinse instrument thoroughly and immediately after use in distilled or de-mineralized water.

COLORED HALO STAINS AND THE SHARP CONTOURS ARE NOT PRESENT

Problem

Metal Deposits.

Possible Cause

In flushing water or steam there are iron, copper, manganese etc: are present.

Solution

Use distilled or de-mineralized water.

WHITISH STAINS

Problem

Phosphate Deposits

Possible Cause

Solution

Check Composition of Cleaning Solution

YELLOW TO DARK BROWN COLORS

Problem

Residue Deposits

Possible Cause

Old cleaning solutions/ Incorrectly cleaned instruments

Solution

Change baths after each use/ Rinse instruments immediately after use in distilled or de-mineralized water.

BLACK STAINS

Problem

Caustic Reaction

Possible Cause

Detergent with low pH content ( 6 or less )

Solution

Use Neutral Detergent

BLUISH-BLACKISH STAINS

Problem

Metallic Coating or Platting

Possible Cause

Metals of different types have been sterilized together such as: for instance stainless steel with Silver / Chrome / etc, etc.

Solution

Sterilize only the similar metal instruments together.