Free seminar on aquarium filtration will be held at Chico's Natural Pet Market in Falls Church, VA. Sunday March 24, 5:30 - 7:30. Seminar will be presented by long time PVAS member John Mangan. Learn how to keep your fish healthy and happy. Refreshments, raffle prizes, everyone attending will receive a certificate for 20% off your next purchase of fish or aquarium supplies. All are welcome. For more information see our website chicosnaturalpetmarket.com or chekout our facebook page chicos tropical aquarium. Call 703 750-6675 to reserve your spot.