Question: is pbw the same as oxyclean?
Answer: Finally, PBW is more alkaline than Oxiclean, which is due to 30% of the formula being sodium metasilicate, a TSP alternative. ... It's active agent is sodium metasilicate, which is the same ingredient in PBW. Thankfully TSP/90 is cheap, and costs about the same per pound as oxiclean.