http://www.addbontn.com the pump will keep the pool clean from suspended water particles. Once the particles sink, a pool vacuum should be used to clean the walls and bottom of the pool. Additionally the Intex Salt WaterThe water flow is not as strong as it used to be, why? Check the Trouble Shooting Guide in the Owner's Manual. Most common causes are: The filter cartridge. If it is dirty the water flow will be much less powerful. Regular cleaning and replacement will eliminate this problem. The hoses. Check the hoses for any pinholes causing water leakage. The hose clamps. Check the Hose clamps to ensure they are not looose, if they are air can enter the system and suction can be reduced. Can the filter pump be operated when a cover is on the pool? Yes. Can I hook up a vacuum to the pump? Yes, the pump is designed to be used with INTEX vacuum system (#58947/58948/ 58949/18947/18948/18949) only. 58947/18947 and 58949/18949 require a minimal flow of 800 gph (3028 lph), and 58948 requires a minimal flow of http://www.addbontn.com. Check our Intex and Bestway Pool Cleaners section for all our pool cleaners that are suitable for intex pools. The minimum flow rate required is shown on each pool cleaner, just match this with the flow rate of your current pump to see if it is suitable.