The SPRING Algae Bloom

feed3What causes algae blooms? Sometimes natural causes, runoff of nutrients from around the pond after a storm or rain. Most common culprit of Algae blooms is the pond owner him or her self.

Algae is the result of nutrients, sunlight, and water. As pond owners I never recommend algae products as it is a vicious cycle. A balanced ecosystem of plants and fish can lead to a simple pond to enjoy rather than fool with. The number 1 problem with water gardening is feeding the fish. Read on my friend…

feed2

Feeding fish before the water temperature is above 55 degrees is always a bad idea, in the winter fish go into a hibernation like stage. Their stomachs are inactive. Pellet or processed foods are dry and if fish eat them too early in the spring you can actually rupture a fish stomach as the food expands quickly inside the stomach and shortly after feeding your fish can go belly up.

Also before you plant plants in the spring you will foul the water by feeding the fish. Pond fish “NEVER” need to be fed. Yes every fish-food container will tell you to feed fish 2-3 times per day but take a second to figure out where they make there money. Fish can eat 10 times a day if you wish, they do this at fish farms. However this is normally too much waste for a pond and the extra waste produces a quick bloom of algae.

String Algae

String Algae

Fish including koi and goldfish naturally eat string algae and bug larvae and eggs keeping mosquitoes and nats to a minimum. Supplementing their natural diet not only stops that part of the natural ecosystem but adds to the nutrients for algae. Adding Submerged plants can highly reduce algae, hornwort, red star ludwigia, lemon bacopa, and anacharis all help starve algae and can even work in cooler water before floating plants like hyacinths and lettuce can takeover on the surface.

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One Response to “The SPRING Algae Bloom”

  1. Kelly Jo Says:

    This is true, we stopped feeding our fish when we learned this a few years ago and the pond is so much clearer.

    When the neighbors visit with their children they want to feed our fish but that is probably less than once a month. Our waterfall still gets a little green in early summer but the pond is crystal clear and we have not had an algae bloom in some time.

    In the fall it helps to cover the pond with pond netting to keep leaves and debris out of the water.

    Azolla is a great natural plant the fish can eat without disturbing the water quality.

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