Author: Paul Van der Werf
Backup Oxygen Supply Design
Failure of equipment or energy supply will happen so backup oxygen is a must. Planning for these events is paramount when designing your system. One of the core functions of Aquaculture Engineers, is to mitigate against risks. Backup Oxygen supply …
Aquaponic Exchange Rates – Aquaculture
The principles behind aquaponic exchange rates, in dual loop systems are driven by the need to exchange water from the recirculating aquaculture system. This water exchange is a water quality requirement for the safe and healthy production of the fish …
Fish Filters for Home
We spent a little time re-configuring our experimental fish farm here at home, took a few photos and whacked up a video of the fish filters for home and how we use only venturis to aerate this system. It has …
DIY Radial Flow Filter
Many people have asked me how we built our “Radial Flow Filter” (below). While that diy filter is very effective in the 4000 litre system it does require some plastic welding, which most people do not have access to. They …
Plumbing an Earthan Bed
Plumbing an Earthan Bed is relatively simple. You have an inlet which you can control the inflow with a valve and an outlet which you can control the depth of water with a stand pipe. No different to plumbing a …
Stock Management in Aquaponics
We are at the beginning of the design phase of a commercial aquaponic system planned to be built this year. Designing an aquaponic system can look relatively simple, however during the design phase, you soon notice aquaponic stock management can …
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. …
Really Simple Biofilter Calculator – in 3 Steps
With so many different types of biomedia out there for aquaponics and aquaculture, this really simple biofilter calculator will help you work out how much of the media you need. It will also tell you the size of the tank …
12 Volt Backup Relay Switch
One of our members has kindly offered to show us how to make a 12 volt backup relay switch for the backyard aquaculture and aquaponics. Yet another fantastic way to protect your fish from power losses. This 12 volt backup …
Earthan Beds – How they go together
In response to many people wanting to know how we make the Earthan Beds work, here is a break down with a bit more detail on how to get it right when connecting them to your aquaponic system at home. …
DIY Demand Fish Feeder
Ever wanted to go away for a few days and not worry about the neighbor feeding your fish or your fish going hungry? Here is the thing. This is a simple DIY demand fish feeder from some easy to get …
Start Your Home Aquaponic System
What is th best home aquaponic system for a beginner? Through out our site there is plenty of talk about filters (biological and solids) and heaps of examples on how to DIY these for yourself. Adding filtration does add …