You have probably come across reports that distilled water is very helpful as far as growth of Cannabis is concerned. This school of thought implies that the use of distilled water, also referred to as purified water, increases the rate of growth of the Cannabis plants. This may be attributed to the fact that purified water does not contain heavy metals that are characteristic of hard water prior to purification. Sodium is also found in high amounts in hard water, and this is thought to impact ...