Actually the last time I cleaned the cartridges I did use the chemical cleaner. It still did not help. Same reaction when I put the cleaned filters back in.
The dog doesn't actually swim in the pool, she is a husky and she sheds twice a year and some of her hair ends up in a pool. The filters don't look horrible but there is usually a handful or two of hair when I clean it after a month of her shedding. Would a DE filter be ok with that amount of dog hair? I heard they are better overall...
Since it would be ~$400 for replacing all cartridges and manifold I am considering buying a new filter anyway. Plus that would help in the future because I really hate having to take this filter apart every 2 months, backwashing sounds easier.
Any idea if the manifold could cause that increase in pressure right away?
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