Hello, I'm using the eco grower setup for my hydro grow, and i'm about a week and a half into flowering and i started noticing when checking the ph, that the ph of the water dripping off the ring is a lot more acidic than whats in the resovoir. Whats the cause of this? and whats the easiest way of fixing it? My plants are also atleast 3 feet tall, so its difficult to lift them and see the roots. thanks to any help in advance.