Most likely because the proper ph for soil applications is 6.2-6.8. Hey....the plant already knew that.
Weedhound Reviewed by Weedhound on . Dear n00bs: Distilled water warning Okay, so I've bought some distilled water thinking that it's the shit. Then I ended up buying a liquid pH tester and it turns out that distilled water is acidic in nature. So be very careful! pH your water after you add nutes so you don't end up getting nutrient lockouts!!! Rating: 5