Replacement jar of phenolphthalein indicator for the W501 Acid Test Kit. This phenolphthalein is suitable for acid test kits from other suppliers as well. Phenolphthalein will often turn colorless in acidic solutions and red in basic solutions.
Shipping Restricted: This product is only eligible for ground shipment within the contiguous 48 states.
Item # | MT121A |
Weight | 0.10 LBS |