Ideal for larger ponds or fountains, this fogger features a triple membrane and sets of LED lights in blue, red and yellow that change every few seconds for continued surprises. No chemicals are used in its function making it safe for fish. Unveil the enchantment of a mist in your own back yard. Place your fogger into a floating ring, so it stays out of site while making your pond come alive with multi colored fog. This water fogger uses the water from your pond or large water body to create a beautiful fog, without heating the water or making it unsafe for fish.