I looked for another thread to explain this - sorry if I missed it.
A new Lowe's pressure gauge for my sand filter registered maybe around 15 (? - unsure), but then I unscrewed it (why? I forget. Got hit by the 'water cannon'!). Screwed it back, now read zero.
Got a new one, read about 8. Had vacuumed a little beforehand but not backwashed (oops? - but hardly vacuumed anything up). Added some de, pressure about 9ish.
This morning 'everything's running fine' but nothing from return? (Pressure says 15). Backwash and rinse. Restart. Return jet now fine. Pressure zero. Add 1 cup de. Pressure still zero but everything else seems perfectly fine.
Puzzled?!
A new Lowe's pressure gauge for my sand filter registered maybe around 15 (? - unsure), but then I unscrewed it (why? I forget. Got hit by the 'water cannon'!). Screwed it back, now read zero.
Got a new one, read about 8. Had vacuumed a little beforehand but not backwashed (oops? - but hardly vacuumed anything up). Added some de, pressure about 9ish.
This morning 'everything's running fine' but nothing from return? (Pressure says 15). Backwash and rinse. Restart. Return jet now fine. Pressure zero. Add 1 cup de. Pressure still zero but everything else seems perfectly fine.
Puzzled?!