The pressure gauge on my <6 months old Pentair Quad DE 60 seems to have already clogged up. I have to tap it to get it to go back to zero and tap it again to register pressure. My last filter cleaning started off at 11 Lbs about 4 months ago and has not increased. I tapped the gauge today and the pressure jumped up to 18 lbs. Clearly cleaning time and I did not know it. My question is, what pressure gauge do you folks recommend. I will not replace with another Pentair. Garbage in my mind.