Weed clearance begins – 04-Oct-2022

This year the club has decided to employ a contractor to help clear some of the vigorously growing aquatic weed from the lake. The most prolific weed seems to be a species of Elodea (probably Canadian pond weed), which has grown to several feet deep in places and may impact fishing or otherwise detrimentally affect the lake. Canadian pond weed is a non-native species, but this weed is great for oxygenating the water during the Read more…

Darlow Water quality update – 20-Sep-2022

We’re now well in to September and the good water chemistry continues to be maintained in Darlow; phosphates, nitrates, nitrites and ammonia are all currently undetectable, which is excellent news. Oxygen levels are also good (8.1 mg/L, 82.7 % sat.). pH is 8.3, which is fairly normal for Darlow. The only negative news is that water levels are historically very low, so we could do with some significant amounts of rain, and weed growth has Read more…

Darlow water quality update – 21-Jul-2022

After that very hot spell last week our water temperatures have risen sharply and are still very high. The water temperature was 23.5 °C today (Thursday, 21-Jul-2022) at 0900, which is clearly going to be very stressful to our trout, which can be seen at the surface and in large groups. Despite this high temperature, we have had surprisingly few fish losses; we did remove around 30 dead fish at the start of the warm Read more…

Darlow water quality update – 19-Jun-2022

The latest water chemistry tests have been carried out at Darlow and ammonia levels are still low, with perhaps a trace amount detectable (0.03 mg/L, pH 8.4) – this could become more of a problem if the temperature rises, but at present levels are safe. Phosphate, nitrate and nitrite are all undetectable, which is probably due to the plant and algal growth. Clarity started to deteriorate in April and May, but has since stabilised and Read more…

More stock – 17-May-2022

Another delivery of 100 fish from Torre… 50 rainbows, and 50 Sparctic trout (a hybrid of brook trout and the arctic char). The water temperature is now starting to rise, so this will be the last stocking for a while. This batch should have a chance to acclimatise before the water temperature gets very warm and oxygen levels start to fall over the summer.

Darlow water quality update – 10-May-2022

The temperature is rising rapidly, but the water chemistry is still looking fairly good. Phosphate, nitrate and nitrite are undetectable; we have a very small amount of ammonia (0.03 mg/L, pH 8.5), but this may just be a temporary fluctuation, and it is not so high that it is a concern. The water temperature is currently 16.4 °C which is about 3 °C higher than this time last year. Oxygen levels are high (10.7 mg/L Read more…