Every year fish in “cold climate” ponds struggle through extreme stress
and, in some cases, die due to “Aeromonas Alley”.

What is “Aeromonas Alley”?
“Aeromonas Alley” is defined as when your pond water temperature ranges between 42° F and 62° F. Between these temperatures, the deadly “Aeromonas/Pseudomonas” (AP) bacteria grow much faster than your fish’s weak immune system. Causing deadly bacterial infections (body sore, ulcers.)

This makes it very difficult for your koi fish to fight off this deadly bacterial attack, causing ulcers, fin rot and more. In fact (AP) remains strong throughout the warm summer months. That’s why it’s so important to keep the numbers of (AP) as low as possible in your pond water.

Also beware of “Aeromonas Alley” in the fall when your koi pond water starts dropping below 65° F. At 65° F the immune system of your koi and pond fish starts to decline and weaken.

By the time your pond water temperature drops to 60° the immune system of your koi and pond fish is operating at less than 50% efficiency. However, the deadly (AP) bacteria is still strong and active and takes this opportunity to make their deadly attack on your weaken koi and pond fish.

Note: Please be aware, Aeromonas/Pseudomonas are a threat to your fish all year, not just the spring and the fall.

Our Aqua MedZyme controls the “Aeromonas/Pseudomonas” in your pond water which protects your koi pond fish against their deadly attack.

The best treatment for a bacterial infection is a good medicated food like our Medi-Koi.

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