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Hope for the Best but Act for the Worst

To say that one’s own time is finite is a blinding flash of the obvious.  Much less obvious for most of us, however, is the question of time as it relates to the planet…or, more specifically, the amount of time that the planet can continue to support its...

Are You Part of the Solution?

The United Nations has stated that, if we are to meet the food needs of the projected population, food production will have to double by 2050. A formidable task of itself, this goal is further complicated by some serious environment factors including: Desertification...

Nature Bats Last

“Nature Bats Last.  Our days are numbered.  Passionately pursue a life of excellence.” I wish I’d said that because it sums up my personal view of the world. As it turns out, it actually belongs to Guy McPherson (Professor Emeritus – University...

How long is a piece of string?

We’re frequently asked to provide ‘simple’ answers to complex questions. When we speak about  ‘complex’ questions, we’re referring to those that require consideration of several factors in the formulation of answers.  Common...

iAVs is not……

Most of the articles on this site endeavour to enlighten readers as to what iAVs is.  We thought it would be interesting to canvass all of the things that it is not. It’s not hydroponics – it has more in common with organic gardening than hydroponics. It’s not a...

iAVs – Easy!

We keep saying that iAVs is simple to understand and easy to build and operate. Here’s iAVs in  5 steps (images not necessarily to scale). Click on images to enlarge Proportions depending on loading (fish density and feed rates), Simple doesn’t have to...