Ever had a storm tear down your makeshift shade cloth? Well, a freak storm did just that with one of my clients!
Could you install some shade material that is say, ~20 cm below the water surface? Make sure though, that you do not install it at the water surface as it could diminish gas exchange or fish could become trapped at the water surface, be exposed to excessive amounts of sunlight or become easy prey.
An alternative is to add blue food colouring to the pond. This method is used by a public aquarium in Queensland to combat algal problems.
These are just some ideas and if you have other suggestions, please do share them with us.
