UV Light Isn’t Just for Algae: How It Protects Your Pond’s Wildlife
Position your UV clarifier after your mechanical filter and before the pond return, ensuring water flows through it on the way back to your pond. This placement lets the UV sterilize already-filtered water, preventing algae spores from multiplying and turning your water green. Most units come with clear inlet and outlet markings, so installation is straightforward even for first-timers.
Size your UV unit to match your pond volume and sun exposure. A good rule is 10 watts per 1,000 liters for shaded ponds, but bump that up to 15-20 watts if your pond sits in full sun. Undersized units won’t clear green water effectively, while …










