Its impossible to tell strain just by looking. Distilled (RO) water is purified by reverse osmosis (RO), spring water is from a spring. As someone already said, spring water generally has a lot of sodium, and if you go with RO water, you will need CalMag+ or its slightly cheaper GroTek counterpart, CalMax+.
MasterKushy Reviewed by MasterKushy on . FLOWERING PLANT WITH BOTTOM YELLOW LEAVES AND BROWN RUST SPOTS??? WTF Hello to everyone, I am a newbie and this happens to be my very first grow. My first grow has been quite successful believe it or not until I hit my 5th week into flowering. The Problem I am having is my bottom leaves (including my fan leaves)have started turning yellow and their are some weird rust colored spots starting. They aren't very defined circled colored spots though. I have pictures feel free to take a peek. It seems to take over the leave until it sucks it dry. However this is Rating: 5