Suggestion 1. we may take a different type of fruit juice with vitamin a acid that easily according to your household. 2. we may take this experiment to experiment with other things that have a stain stuck like a necklace, Sterling Silver key ring.
Feedback 1. We may bring water with fruit acids are easy to find on your household 2. We may take this experiment to experiment with other things with dirt or debris such as necklaces, rings, key chains.