50 Maple Syrup pH 10-13 Strips

SKU: 33812-1013

$5.95USD or lower Each

Save More When You Buy More!
Quantity1+2+ 3+ 10+ 100+ 
Price for each$5.95USD$5.83USD$5.71USD$5.45USD$4.95USD
Your savings - 2.02%4.03%8.4%16.81%

Indigo® pH 10-13 medium to strong alkaline solutions; only $5.95 /50 strips.


They can be used to test your aquarium pH increaser solutions made from NaOH (lye). You can also use it for science fair experiments to test the buffering capacity of milk of magnesia which is used to reduce heartburn (indigestion) due to excess stomach acid production or to measure chlorine bleach which is in the range of 11-13..

Color chart intervals: 10, 10.5, 11, 11.5, 12, 12.5, 13
  • Intervals of 0.5 pH unit but can resolve 0.25 with practice
  • Dip strip, shake off excess liquid, compare to color chart immediately
  • Minimum shelf life is 3 years if kept sealed but 5 years is typical
  • Store at room temperature away from sunlight.
  • The number of strips (50) per pack or vial is approximate.

Test Strip Documentation

Stability Statement Certificate of Analysis
Indigo pH paper 10-13 base 0.5 pH intervals Stability Statement Indigo pH paper 10-13 base 0.5 pH intervals Certificate of Analysis
Reviews ()
Review This Product Now!