OK I'm going to do my best to explain PH since its something that is for the most part greatly misunderstood and can be confusing to new growers and even experienced growers alike. This will explain why we need both ppm and PH meters to give us informed information about PH This will be a...
Nvm misread that... I thought you were having ph issues with your RO. You can buy RO water cheap at most grocery stores and even pet stores that carry saltwater fish