Earthborn Elements Vitamin C Powder (2 lb), Ascorbic Acid, Supplement & Cleaner

Customers find the vitamin C powder effective, with one noting it works well in various pool types, and many reporting it removes rust spots within hours. The product receives positive feedback for its quality, value for money, and ability to make pools look brand new, while being easy to use as it eliminates the need for scrubbing. The taste receives mixed reactions, with some finding it good while others describe it as extremely unpleasant, and opinions on purchasing are divided between those who will buy again and those who advise against it.