Although it is perhaps one of the most overlooked aspects, pH is very important in hydroponic and organic as well as regular soil gardening. pH is measured on a scale of 1-14 with 7 being neutral. Acids are lower than 7 and alkalis (bases) are above 7.
This article deals with the pH of hydroponic gardening and the availability of nutrients at different pH levels in a soilless growing medium. Organic and soil gardening have different levels, so the following chart doesn’t pertain to them.
When Hydroponics was new to me, I ended up with miserable loss in terms of money, time and plants until I found out some rules and guidelines of general hydroponics growing that are essential to understand before you take up your venture with Hydroponics.
For me Hydroponics is soilless agriculture. Plants grown in nutrient rich mediums with help of hydroponic specific systems and equipments. In short, its a no weed-no pests technique that promises a healthy plant growth within limited space.