As water temperatures peak during summer months, ponds experience “thermoclines” and water quality issues, especially small ponds where fish are fed. Water quality degradation basically means water is receiving waste faster than it can process those wastes. It might be in the form of fish waste, organic matter such as grass clippings or fertilizer washed in from surrounding terrain.
Heavier waste products sink to the bottom and take longer to decompose, simply because bottom water doesn’t see the light of day or touch the atmosphere until fall, when water temps cool and ponds “turnover”. Consequently, water can’t cleanse itself quickly enough. In some cases, downburst from a heavy thunderstorm rushes into a pond. Colder, heavier rainwater sinks to the bottom, suddenly forces stagnant water to the surface, and causes catastrophic fish kills. What’s a pondmeister to do?
To limit risks of fish loss, consider aeration. Increased circulation:
We’re dealers for surface or bottom mounted aeration systems. Surface units circulate healthy water throughout the pond. Bottom diffusers use dense columns of air bubbles from a compressor to lift stale water to the surface for exposure to sunlight and oxygen. If there is no electrical service to your pond, no problem. We also install windmill driven units. Ask for a quote. Investment in an aeration system may be less than the cost of replacing valuable fish.
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Ponds with aeration systems should consider using a blend of beneficial live microbes. These living, natural bacterial cultures boost natural pond processes and speeds decomposition for cleaner water and lower maintenance costs.