How to Clean a Putty Knife How to Clean a Putty Knife

What You'll Need
Washcloth
Sponge
Warm water
Mild soap
Stainless steel cleaner

If your putty knife is in need of a good cleaning, you may be wondering how to go about administering it. If so, read on to learn the basics of cleaning a putty knife.

Step 1 - Wipe it Down

If your putty knife isn't particularly dirty and only requires a light cleaning, thoroughly wipe it down with a dampened wash cloth. If the putty residue proves somewhat stubborn, you may also incorporate the aid of a mild brand of soap. This method of cleaning is very effective in getting rid of putty residue that has not had ample time to dry. For exceptionally filthy knives, however, you will require the aid of a stainless steel cleaner.

Step 2 - Apply Stainless Steel Cleaner

If your putty knife has incurred a substantial amount of caked-on putty, you will need to clean it with a dependable stainless steel cleaner. Apply your cleaner to a clean washcloth or absorbent sponge and proceed to vigorously wipe your putty knife clean. If it's been a while since the tool's last cleaning, be prepared to put forth extra elbow grease. If properly executed, this method of cleaning will have your putty knife spotless and shining in no time.

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