Uncovered pool March 28, 2020 amid coronavirus self-quarantine. Much muck, mostly spent pollen buds but a good number of leaves. Will need to rig cover better at end of this season. Took 3 packages of di-chlor and 1 gallon 10% bleach to turn water from brown-green to calcium hypochlorite cloudy white. Main Intex pump that came with sand filter died over the winter. Picked up 3 Intex pump / cartridge filter combos super cheap, not realizing they were half as powerful. Even in tandem, meaning one before sand filter and another one after it, but before two SWG units, just not enough flow to keep SWGs happy, so disconnected 1 SWG. Still not much flow. Definitely not enough suction for vacuuming efficiently. Will have to buy a non-Intex pump (maybe 1 hp?) and do conversions to Intex threads.