Definition of precipitate. 1  1 : a substance separated from a solution or suspension by chemical or physical change usually as an insoluble amorphous or crystalline solid. 2  2 : a product, result, or outcome of some process or action.
Oftentimes, replacing a transmission solenoid will take no more than 2 hours, and repair shops on average charge $60 to $100 per hour for labor, not including cost of parts (a replacement solenoid should cost you no more than $200) or shop fees.
Most filter manufacturers recommend you change the sand every 5 years. The edges of the sand start to breakdown and don't filter as well. You may notice this by it taking longer to clean the pool or not cleaning it as well.