i posted a pic from your website/post in this forum to help another hobbyist i would like to hear your input on it. again thank you for all the info and hard work you put in behind your product.
https://www.reef2reef.com/threads/ro-tds-and-di-problem.432525/#post-4990248
https://www.reef2reef.com/threads/ro-tds-and-di-problem.432525/#post-4990248


