I tested my tap water and it is a pH of 8.0, kH of 14dkH, and a gH of approximately 12dgH (the API test for that didn't come with color, so I'm not sure if it's turned green enough, it goes from yellow (not really orange, as the instructions suggest) to green-ish yellow and proceeds to get slightly more green). Is that safe for Malawi's or should I alter in some way?