Copper Deficiency
copper deficiency appears with leaf symptoms such as dark leaves that take on blue or even purple hues. The tips and edges of leaves turn pale yellow or even white in contrast to the rest of the leaves which may have turned darker. In flowering it's important to correct the copper deficiency as soon as possible because buds may stop maturing if not taken care of promptly! A big problem with a copper deficiency is the affected leaves are not good at photosynthesis and won't provide nearly as much energy for the buds or plant as they would if they were green. It's important to keep leaves near the buds healthy during flowering stage to help ensure you get the best yields possible!
It's very unlikely that there is no copper available in your water or soil, so usually a copper deficiency in cannabis is caused by a pH problem or at the roots that's restricting access to nutrients Copper deficiencies can show up with the plant is having root problems or if the plant is over-watered, even if the pH is right and the copper is there. Proper watering practices help plants grow healthy and avoid a host of problems.
Solution For Cannabis Copper Deficiency
The most common reason growers will see copper marijuana deficiencies is when the pH at the roots is not in the correct range. Copper tends to get locked at certain pH levels, and is better absorbed by the plant in a slightly acidic root environment. If you suspect your growing cannabis plant has a copper deficiency due to incorrect pH, flush your system with clean, pH'd water that contains a regular dose of cannabis friendly nutrients. This will remove any nutrient salts that may be affected the uptake of copper and help restore pH to the proper levels. watch to make sure that the problem starts to clear up within a couple of days. Old growth may not recover, but new growth should be healthy. In soil, copper is best absorbed by the roots in the 6.0 – 7.0 pH range In hydro, copper is best absorbed by the roots in the 5.5 – 6.5 pH range.
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