10.If I have a pool,how can I choose a set of suitable equipment ?

a.Firstly you can tell me the pool size such as wide, length and depth.The circulation period is 4 hours,then we can use the pool volume divide by 4 to know the flow rate.Based on this we can know choose the suitable model for sand filter and pump. b.Usually 4 meters can install a pool light.Both ends of the pool can install the ladders. The basic filtration equipment can be chosen like above method.The other accessories can be fixed according to the using environment and requirement.