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Glastender, Inc. • 5400 North Michigan Road • Saginaw, MI • 48604-9780
800.748.0423 • 989.752.4275 • Fax 989.752.4444 • www.glastender.com
Your water supply fits one of the following descriptions.
Greater detergent consumption is required with “hard” water.
GraIns parts
descrIptIon per Gallon per mIllIon
Soft Less than 1.0 Less than 17.1
Slightly Hard 1.0 to 3.5 17.1 to 60
Moderately Hard 3.5 to 7.0 60 to 120
Hard 7.0 to 10.5 120 to 180
Very Hard 10.5 and over 180 and over
deterGent tItratInG InstructIons
A Titrating Kit is required for proper chemical adjustment. If a kit is not available from your chemical supplier,
one can be purchased from Glastender, Inc. When using the kit supplied by Glastender, Inc, follow the
instructions below (instructions are also included in kit):
1. After the water has agitated during the wash cycle, open the sliding cover of the glasswasher and fill test
tube with five (5) ml of water. NOTE: Leaving the sliding cover open more than 30 seconds will end the
cycle and drain the tank.
2. Add five (5) drops of “Indicator” to solution. The solution will turn a pink (magenta) color.
3. Detergent concentration is determined by amount of “Titrate” required to make the solution turn clear.
• Add one (1) drop of “Titrate” at a time.
• After each drop is added, close the test tube top with finger and rock test tube back and forth three (3)
times to mix solution.
• The solution should turn clear between ten (10) and twelve (12) drops of “Titrate.” Less than ten
(10) drops indicates the detergent concentration is too low, more than twelve (12) drops indicates the
detergent concentration is too high. Proper detergent concentration is .30% by volume.
sanItIzer tItratInG InstructIons
After the water has agitated during the rinse cycle, open the sliding cover and dip a Chlorine test strip into the
tank for one (1) second. Immediately compare the strip to the scale on the side of the test strip container tube.
Adjust sanitizer (bleach) to 50 PPM, and iodine type sanitizer to 12.5 PPM. NOTE: Leaving the sliding cover
open more than 30 seconds will end the cycle and drain the tank.
Important note: Glasswashers are NOT water conditioners. Consult local water conditioning experts to
determine your specific water condition.
Water condItIons
useFul InFormatIon about Water, deterGent, & sanItIzer
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