ro buddy

Hey all, I finally got the money to spend on an RO unit, and hoping I didn't make a mistake. There's a lot of phosphates in my tap and even worse in my tanks, so after a while I've decided to buy a RO unit. I got RO buddies 3 stage system, and I'm kinda confused by the output. The TDS is lower...

I set up the RO buddie 4 stage today, during the setup, I am flushing the membrane. I have good water pressure off of my kitchen sink. I’m running cold water through the unit and barely have a dribble of water coming out of the clean. There is also the occasional air bubble coming out of it...