Have you ever gazed upon a stagnant pond, its surface murky and lifeless? This common sight can be more than just an eyesore.

Aeration is the key to increasing oxygen levels and driving off harmful CO2. Pond water can be aerated by moving it with a pump — a fountain attachment or waterfall are best ... A combination of ...

Instead, place a saucepan of boiling water and maintain the hole by using a floating pond heater. It is not just the nutrition of your fish that is important to consider over winter, we also need to ...