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Invisible workers; Algae for use in aquaponics

“You can find bacteria everywhere. They’re invisible to us. I’ve never seen a bacterium, except under a microscope. They’re so small, we don’t see them, but they are everywhere.”

Bonnie Bassler

up flow fillter of NFT aquaponics

Algae is a great resource that will grow very easy

Have you ever tried to grow am gay in your aquaponic system to feed your fish with? If so, you will know that it is difficult because your water is usually flowing too fast for the alley to start to grow, your fish eat the alley before it can develop, algae feeds of of oxygen so you do not want to risk suffocating your crops, algae feeds of of the same nutrients as your vegetables.

So what do you do? Some people have found success by using separate smaller systems dedicated to growing algae. But there are a few things you should know before you buy and implement a algae growing system to ensure a steady supply of algae to offset your fish feed reliance on processed feed. This post will tell you what you need to know to make sure you select a way to grow algae in the amounts you need that will not take away to much energy from the aim of growing food with aquaponics.

green water juvenile in tilapia breeding program

Breeding fish in green water ensures sucess

If you are looking for an algae feed production solution on the site of your farm, the best method to ensure you end up with something that lets you easily grow, harvest and feed algae to your fish is by looking for these things:

Make sure your green water serves other purposes like to hide young fish from predators,  young fish also like to eat algae this will increase the rate of the fish that survive. and that it lets you do this with out taking away from the whole operation. If it doesn't, you'll have trouble with time management.

tilapia green water breeding in cages

Green water breeding program

While not necessary, some great bonus features of a great algae growing system control of light intensity. and separating the oxygen demand from the main system a sieve on the out pupe to make sure no fish are transported to of from the system as green water you cant see to far into and the ability to be totally off line so I can use other sources of inputs to grow the algae.

Now that you know that growing algae for fish food can be done and that the net gain is positive rather than just taking energy away from your vegetables , you are ready to start lowering your cost and reliance on fish feed that is processed.

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