In some ways these reservoirs are just like big garden ponds. We’ll be stocking them with Rudd shortly after a bit more fiddling with the overflows 🙂
And just like garden ponds, one of the things that needs management is removing excess nutrients from the water to prevent algae developing. We’ve already had a couple of minor blooms. Mainly because we had more topsoil in the bottom of the reservoir than subsoil.
Fundamentally you need to have plants or other organisms that compete with the algae for the nitrates. For emergency reduction we use a product called blue […]