Myths and magic bullets for black layer

We get lots of questions throughout the year about black layer. We have summarized some of these questions, as well as some of our answers, below.

QUESTION: I've heard that peroxide can reverse black layer. Is that true, or if not, are there any other products on the market that can help me get rid of black layer?

ANSWER:There are several products on the market that claim to address black layer. Some contain hydrogen peroxide, others contain calcium silicate, beneficial…