Hi there, I am remodelling my pool(35,000 gallon) with a Hayward 2.7 pump( W3SP3206VSP TriStar VS Variable-Speed Pool Pump, 2.7 HP) and I have an existing DE4820, I have been told by the Hayward guy that this is too much pump for the DE filter. My options are, use a less powerful pump or use two...