So after vacuuming a few times and finding junk in the pool the next morning I opened up the filter and removed the sand (Hayward GM-142 sand filter 50#) and find that the stand pipe is cracked 90% of the way around at the base. I can't get a new pipe, I would have to get the whole tank at 250.00 or more. I need advice fast on what to go with for a new filter; cartridge, DE, brand etc... . The pump is a single speed 1HP Hayward. HELP!!!