I thought chopsticks tests are not so great, but can you try it even once. In other words, I was suspicious. I emphasize: War. It works very well, as far as I can estimate it, the result is much better than you would otherwise expect from chopsticks tests. Immediately is measured with it!
Simple, fast and accurate enough, better than yourself, compare the colors. In my estimation on Tröfchentest level. Uses: iPhone 6 Purchase recommendation
