Cleaning dirty grout with Trisodium Phosphate (TSP) and a brush (super easy)

Chemicals are not inherently bad because they are chemicals. In the case of trisodium phosphate, the presence of this additive in food is rather small. Consuming too much of any type of food, esp if it’s processed, is generally not advised — but that’s because the poison is in the dose, not substance. While I agree that boycotting is an effective strategy to change corporate practices, I do not appreciate the misguided fear mongering that too often happens in the name of holding corporations acc

Engineering Chemistry-EDTA Method Part-2