Post #3 Ideal Water Conditions
Today we discuss the ideal water conditions for cannabis plants, emphasizing the importance of temperature, pH, mineral content, and source. Optimal water temperature ranges from 68 to 73°F, while the ideal pH level for cannabis plants in Nature’s Living Soil is between 6.2 and 7.0. The total dissolved solids (TDS) or parts per million (PPM) should be monitored to maintain healthy nutrient uptake and osmosis. Lastly, the water source must be carefully considered, as tap water, well water, rainwater, distilled water, and reverse osmosis (RO) water each have their advantages and drawbacks. By tailoring water quality to the needs of cannabis plants, growers can optimize growth and yield.
The ideal water for watering cannabis plants depends on several factors, such as the source, the pH, the temperature, and the mineral content. According to some experts, the best water temperature for cannabis plants is between 68 and 73°F. Warm water (over 73°F) with low oxygen levels can create an anaerobic environment in the root zone, allowing diseases like pythium to thrive (root disease). Cooler, oxygen-rich water is ideal for cannabis cultivation.
Another important factor is the pH of the water, which affects the availability of nutrients for the plants. The optimal pH range for cannabis plants in Nature’s Living Soil is between 6.2 and 7.0 for soil with a target of 6.5. If the water is too acidic or too alkaline, it can cause nutrient lockout or toxicity, which can harm the plants' health and yield. Therefore, it is advisable to test and adjust the pH of the water before watering the plants.
The mineral content of the water, also known as the total dissolved solids (TDS) or parts per million (PPM), is another factor to consider. The PPM measures the amount of minerals and salts in the water, which can affect the plants' nutrient uptake and osmosis. The ideal PPM for cannabis plants varies depending on the stage of growth and the strain, but generally ranges from 500 to 1100. Too high or too low PPM can cause nutrient deficiency or burn, which can stunt the plants' growth and development.
The source of the water can also influence its quality and suitability for cannabis plants. Tap water, well water, rainwater, distilled water, and reverse osmosis (RO) water are some of the common sources used by growers. Each source has its advantages and disadvantages, depending on the location and the growing method. For example, tap water may contain chlorine or chloramine, which can harm the beneficial microbes in the soil (although the impact is likely small) Well water may have high PPM or pH levels, which may require filtering or adjusting. Rainwater may be free of contaminants and have a neutral pH, but may not be available all year round. Distilled water and RO water may have very low PPM levels, which may require adding nutrients or minerals.
In conclusion, the ideal water for watering cannabis plants is not a one-size-fits-all solution, but rather depends on various factors that affect the plants' health and performance. By testing and adjusting the water quality according to the plants' needs and preferences, growers can ensure optimal growth and yield of their cannabis crops.