Quote Originally Posted by graciec
do they go bad that quickly?Even after 2 years? I just tapped on it in off position and it sprang back to 20 or so but it's back up to 40 now. Are gauges available at pool stores? or do I get one from the company that makes our filter?
They are available in pool stores, and can fail in weeks. They are junk. I put a new one on this year, and it's already bad. Learn how much your returns ripple the water when the filter is clean, and backwash when that rippling is reduced.