Tannic acid was old and didn't react with the remedy. In the end, a failed science project for a sad sixth grader. In the end, she received a decent rating and turned her failed project into a research paper.
Valchoose LDPE Economy Wash Bottle, Narrow Mouth Squeeze Bottle Medical Lab Plastic, Safety Squeeze Bottle No Spill, Bend Mouth Watering Cans (500Ml / 16Oz / 1 Bottle)
14 Review
Graduated Erlenmeyer Glass Flask Set With Narrow Mouth - 500Ml Capacity
15 Review
3Pcs 500Ml CVNDKN Wash Bottles W/ Scale -16 Oz: Plastic Safety Lab Squeeze Bottle
13 Review
Laboy Glass 500ML Single Neck Round Bottom Boiling Flask Heavy Wall With 24/40 Joint Heating Reaction Receiving Flask Organic Chemistry Lab Glassware
16 Review