Description 4 Inch (10cm) Large Heavy Duty Pond Airstone. Heavy Duty Bar Air Stone to successfully keep aquatic fish and plants aerated. Very durable, washable and sintered by high temperature. Creates water currents and underwater scenes, bubbles in fish tanks, aquariums, and ponds while attached to an air pump(air pump is not included). Our PondH2o 4 Inch (10cm) Large Heavy Duty Pond Airstone will add oxygen to the water, as the bubbles aerate the water they also help circulating hydroponic nutrients invigorating the roots of plants and boosting healthy growth. Making for HAPPY fish… Requires Airpump to Operate Gives Large Volume of Diffused Air Sintered to 1000 Degrees for Fine Bubbles to improve aeration efficiency Fits 1/8th (4mm) to 5/16th (8mm) Airline, Stainless Steel Nipple 4 inches (10cm) Long – bumper bars on each side Maintenance Tips: Clean the airstone regularly (every few months) to prevent clogging. Replace the airstone every 6–12 months if performance drops. Protect your air pump from rain and snow using a weatherproof box or housing. Winter use: Don’t place too deep—keep some warmer water at the bottom undisturbed for fish. Visit PondH2o’s information center to read more on getting a koi pond ready for spring by clicking HERE. As always, remember to check our Facebook page for coupons and news
