Individuals with normal color vision will see a number, while those with a deficiency do not see it. On some plates, a person with normal color vision may see one number, while a person with a deficiency sees a different number.
Your phosphate level should be at or below 100 parts per billion (ppb). If your water chemistry and phosphate levels seem to be in check, one potential cause of the cloudiness in your pool could be dead algae. Phosphates are the food supply for algae, thus high phosphate levels promote algae growth.
Fertilizers used in ponds stimulate the growth of microscopic plants called algae. or plankton. As primary elements of the food web, algae are eaten by. microscopic animals called zooplankton and insects which serve as food for. bream, which in turn are eaten by bass. Algae also make the water turn green,