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fish food

This tag is associated with 7 posts

Sustainable fish food for aquaponics; Bioponic nutrient cycling

What makes bioponics uniquely different that aquaponics is that while it supports fish, it does not require fish to fertlize the beds. A balanced system is like an ecosystem, supporting all varieties of life but not depending on one element to support the operation. Continue reading

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Comparing Field Crop Farming vs Closed Loop Bioponics

Efficiencies of bioponic approach vs. conventional farming WATER Conventional: Water used on soil lost to water table. Only small amount is absorbed by roots. Excessive use of water increases reliance on municipal water causing higher sodium and chloride salt buildup, impedes plant growth. Bioponics: Uses 90% less water than conventional irrigation. Water used is recaptured … Continue reading

Algae as a fish food and pH modifier.

Algae creates alkalinity in the water. In fact, when we take a side stream of aquaponic water to our cells of aquaponics the pH rises up to range of 9-10 very quickly. We also raise algae with human urine, but if using as aquaponic fish food and ultimately for plants, care must be taken that … Continue reading

Feeding Plankton, Zooplanton and Insect Larvae to Tilapia and Crawfish.

This video shows how algae and zooplankton are harvested from algae containers each day. With a bucket and strainer, a fresh slurry of oxygen rich plant matter is scooped up along with zooplankton, insect eggs and larval that live in the algae tank. This is poured into the tank and meticulously consumed by fish and … Continue reading

Locally produced fish food: Grow your own plankton and zooplankton.

Here is a simple project for raising algae that is practical, as a tabletop exercise, for high school education labs. Growing in this fashion is similar to the process of high tech bioreactors and various tube systems commonly used in the biotech industry. Researchers feed algae with CO2 from combusted exhaust emissions, a method which holds great promise … Continue reading

Algae Video Overview; Russel Chapman

It’s a bit of a long intro so if you fast forward 5.5 minutes you’ll cut to the chase. This is an informative overview of algae; its origin, structure and phylogy. Delivered by Russel Chapman at Scripps Oceanograpy along wiht his his humorous affection for algal species. It’s a bit of a long intro so if you fast forward 5.5 minutes … Continue reading

Tips for Growing Duckweed

Tips for Growing Duckweed Where to get duckweeds? Duckweeds are available from many sources. How to handle duckweeds? Duckweed plants are delicate and easily damaged by fingers, forceps and other instruments.  Individual plants and small colonies may be picked up and moved without damage using a bacteriological loop.  Just place the loop in the medium … Continue reading

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20' x 4' Deep Water Troughs plus 210 Gallon Tank Below. Troughs function as clarifier, biofilter, and aerobic digester for duckweed and Deep Water Culture

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20' x 4' plant beds 210 gallon fish tank. Ebb and flow rock beds above tank

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