I would go one further and get distilled water, or a RO machine, since you are already buying water. Nothing better than knowing EXACTLY what is in your water because YOU put it there. My tap water was not able to grow plants hydroponically (makes me kinda question drinking it :wtf. Also knowing your pH is vital, and you cannot successfully diagnose a problem if you don't know the pH. Also its better to show the entire plant in your photos, rather than just individual leaves.
dejayou30 Reviewed by dejayou30 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