onsdag den 2. januar 2013

Aquaponics 3: Washing Growmedium ... Gah!

Hello all,
As I will need to keep the grwobed as light as possible, I decided to use Leca pellets (produced by http://www.leca.com/). These are very light, looks like beneficial bacteria would love to live in them and my father-in-law has easy access to them so I could get a free bag from him. As a side not, I once dug, filled and carted out 257 wheelbarrows of dirt from below his house and then filled the same number of wheelbarrows full of leca pellets back in. The once full of Leca were so much more fun than those heavy dirt filled wheelbarrows! So I guess he owed me a favour .-).
Anyways, my trusty assistant decided washing half a bag would be fun so we made a mess of the bathroom and had a lot of fun.

The result was a large portion of somewhat clean Leca nuts - they didn't dirty the water anymore so we decided to have some coffee and coco :-).
I had been nervous that the nuts wouldn't stay put once the water came flowing through but a quick test run showed that they are just heavy enough to keep each other from floating around.

For those not yet privy to the fascinating world of Aquaponics here is what information Wikipedia provides:

Aquaponicsis a sustainable food production system that combines a traditional aquaculture (raising aquatic animals such as snails, fish, crayfish or prawns in tanks) with hydroponics (cultivating plants in water) in a symbiotic environment. In aquaculture, effluents accumulate in the water, increasing toxicity for the fish. This water is led to a hydroponic system where the by-products from the aquaculture are filtered out by the plants as vital nutrients, after which the cleansed water is recirculated back to the animals. The term aquaponics is a portmanteau of the terms aquaculture and hydroponic.
Aquaponic systems vary in size from small indoor or outdoor units to large commercial units, using the same technology. The systems usually contain fresh water, but salt water systems are plausible depending on the type of aquatic animal and which plants. Aquaponic science may still be considered to be at an early stage, relative to other sciences.

Basicly, this translates into let the fish shit, let the plants grow on the shit and clean the water, and then eat all the plants yourself... more or less....

All the best,

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