You can use Florida-friendly fertilizing practices to help protect water quality while having a beautiful lawn. If you fertilize your lawn before a heavy rain, much of the fertilizer will be washed directly into surface water or stormwater systems that drain to our local springs, lakes, rivers and bays.Recent studies have shown that rising nitrate levels in many local water bodies can be traced to fertilizer.ou can use Florida-friendly fertilizing practices to help protect water quality while having a beautiful lawn. If you fertilize your lawn before a heavy rain, much of the fertilizer will be washed directly into surface water or stormwater systems that drain to our local springs, lakes, rivers and bays.
Another misconception has to do with what makes something chemical or physical. Physical sunscreens contain zinc oxide or titanium dioxide, and chemical sunscreens contain micronized ingredients like avobenzone, Dr. Day explains. As for the belief that natural, physical sunscreens are the ultimate way to go? People think that if it's natural rather than chemical, it means it's better.
Kenneth A. Arndt, MD, clinical professor of Dermatology at Harvard Medical School, Boston, wrote in the current Bottom Line Personal that sunscreen and sunblock are not the same. Sunblock is opaque and blocks almost all of the sun's UVA and UVB rays. It consists largely of zinc oxide and titanium dioxide. Sunblock does not have to be reapplied every few hours. Sunscreens are less visible on the skin and are designed to protect against UVA, UVB, or both.