Water Chem
Alkalinity and CO2
Alkalinity in aquaponics aquaculture systems it a critical consideration to the designer and to the farm operations. Any aquatic system, that rely on bacteria for nitrification, need some form of acid neutralizing capacity to offset the acid produced by bacteria. …
Nitrogen Cycle with Fish
It is not uncommon when you finally have your system built and ready to go, you are keen to drop your new fish in and get going. The Nitrogen Cycle is one of the most stressful times for yourself and …
Nitrogen Budget in Integrated Aquaculture
When giving thought to designing your integrated agri-aquaculture farm it helps to think of your inputs like money and break up your nutrient into a budget. This will help you define and refine your inputs and output predictions. As Nitrogen …
Worm Tea Extract and Aquaponic Water
Worms do a fantastic job of keeping our garden soils rich and loose. They also provide a very good nutrient source in the form of worm tea extract. With that in mind, many use worms in their growbeds in backyard …
Alkalinity – How much is enough?
It has been a big week for Alkalinity questions. We have talked about the CO2 issues that arise from CO2, low pH and alkalinity and we will talk more about this topic in regards to bio filtration capacity. For now …
Aquaponic Nutrients to use instead of Salt
Using salt in aquaponics is not a new thing but here is a few very handy ideas for your system should you need them. I have written about Salt in Aquaponics. In this previous article I offer a calculator for …
Make Your Own Potassium Carbonate
There are quite a few varieties of retail products for adding Potassium to your aquaponics. Generally Potassium hydroxide, Potassium bicarbonate and Potassium carbonate is used to buffer the pH (add alkalinity to the water) to offset the acid produced by …
Why is Testing Source Water Important to your Fish?
We all need to top up or exchange water in aquaponic or aquaculture systems either to replace evaporation and transpiration or to dilute chemical issues with our culture water. So, it makes sense that we check out the chemistry of …
Buffering pH and Alkalinity in Aquaponic Systems
We get quite a few questions through the website from members and one that pops up often is “how much of what should I use to buffer the pH in my system?”. Generally most people will use hydrated lime and …
Fish Tank Water Testing
We are well into week three of our nitrogen cycle with our 20kg of Jade Perch and now it is getting really colourful using the API Fresh Water Master colorimetric test kit. As you can see from the reading …