Regular cleaning and proper maintenance is one of the easiest way to control the phosphates. You can also get a tablet that will help you stabilize quickly.
If you have algae problems on a regular basis, the phosphate levels may be too high. Use Lanthanum products to help keep the phosphate levels under control.
Phosphates are controlled through a careful balances of pool chemicals. Too much or too little of any of these will result in a potential harmful imbalance.
