Hotting up in the polytunnel

We are now monitoring the water temperature in the first of our 2 700L – ish tanks. Today’s max water temp was around 30 degrees, with around 49 degrees max recorded inside the polytunnel! – Will be interesting to see how low or high the water temperature will get in the next few days.

We are working on reducing the temperature ‘swings’ by increasing thermal mass in the polytunnel, if we get our desired 8 tanks, we should be getting towards a much stable environment for our plants and fish!

The next problem is shading – how to keep the plants from bolting or shriveling up under the hot hot sun! Watch this space for our attempts at stabilising our little ecosystem!


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