Hydroponic Farming: What not to do!

Hydroponic farming system of vegetation uses liquid nutrient solution. Water based minerals are fed to nourish plant growth. By adjusting the quantity of nutrients, sunlight and water plants flourishes more as compared to traditional ways. Typically an inert medium or substrate is used along with air pumps, air stones and wool. Recently a majority of commercial hydroponic systems are used because of its higher yield value. Even though the system is extremely mechanized but proper supervision is necessary to get ideal production.

Traditional farming involves the ploughing of soil prior to plantation which is very time consuming. While in hydroponic farming, ploughing is eliminated from the whole equation which makes it quite easier and stress free.

What are hydroponics techniques?

There are various techniques that are used, but the principal of hydroponics system are essentially the same for every system.

Hydroponic systems are generally categorized as water based or medium based systems.

Water setup does not require an inert medium to support the roots, only needs the liquid nutrient solution. Whereas medium based setup needs a solid substrate, such as rock wool, moss, to strengthen the plant root structure.

Both setups can be open or closed. Incase of open setup liquid solution flows through the roots just once and the rest goes to waste. In closed setup the extra liquid nutrient solution is recycled and sent back to the system roots.

Revitalizing the liquid nutrient solution:

For open setup the water solution is used only once and discarded. In close setup water solution after once used is examined for ph and minerals, then refreshed, and returned to reservoir tank.

Neutering hydroponic medium:

Inert medium based hydroponic systems are inclined to pathogens attack so it is advised to sterilize the setup between each yield. It can either be done by steam sterilization or by chemical sterilization (using bleach).

Pest and disease control:

Integrated pest management (IPM) is the most eco friendly method for both commercial hydroponic systems and complete indoor hydroponic systems. It requires frequent checking and uses a range of managing techniques that varies from plant to plant. Certain thresholds are also set to identify pests and other factors.

What are 5 specific examples of plants that can grow in hydroponic systems?


Tomatoes are one of the most highly grown vegetable hydroponically, whether you grow cherry or traditional ones both commercial and home grown produce yields best results. It takes about 6- weeks to harvest. Tomatoes require more light but it can easily be grown indoor (using grow light).


Lettuce is among the fastest and relatively easy growing hydroponic plants. It has a big market value as it is used in making fresh salad to a 5 star meal. Ideal ph required is 6-7 . It takes approximately 4 weeks to harvest.


Among fruits strawberries are the most sought after because of its countless use in recipes. You can enjoy fresh strawberries all-round the year hydroponically from comfort of your home. They take about 6 weeks to harvest.


Hydroponic farming is famous for its best growth results in all species of mint. Their roots spread rater quickly, and have overall faster growth time.


Growing beans is generally considered easy and requires low maintenance. It has a steady market demand and can be easy grown using hydroponic system. Ideal temperature requirement is warm with ph 6.5. It takes about 8 weeks to harvest.

If you want to read more about Hydroponics click here.


Thriving in Water: The World of Hydroponics

Hydroponic systems have recently gained quite a lot of popularity as an effectivemethod for growing plants in nutrient-rich solutions. Hydroponic is simply the process of growing plants and vegetation without using soil as compared to traditional farming. The roots of hydroponic plants are directly supplied with water and nutrients instead of soil. Other than water solution they also need significant quantity of oxygen to facilitate growth, along with maintaining water’s PH level and temperature.

Hydroponics isn’t a new idea or technology, history of hydroponics go back to 600BC (Babylon times) where its hanging gardens were operated also proofs of hydroponic floating systems existed in early China and Mexico.

What is hydroponics define in simple words?

Hydroponics is a Greek word meaning ‘to labor in water’. As the name suggests it uses water rather than soil for agriculture. Using hydroponics to grow plants basically means submerging its roots in water mixed with mineral nutrients solution instead of growing it in soil.  Hydroponic farming requires less water than traditional farming methods.

What are the 6 requirements for Hydroponics systems?


Water is the chief element of hydroponic farming. PH of water should be balanced between 6-7 level. It can be adjusted using over the counter products.


Sunlight is the best answer for hydroponics farming as it provides full range of visible and non-visible light. Plants require at least 6 hours of sunlight contact every day. Southern exposure and greenhouses are capable of providing this amount of sunlight. If you are growing your hydroponic plants inside, the alternative is grow lights (ranging 4-6 K). Keep in mind that every plant has different light requirements along with placement of light (daily light integral, DLI) and its angle. Many option in artificial lights are available including florescent bulbs, LEDs and metal halide, which is the best choice among gardeners.


Almost all the plants require these key nutrients. When you are growing them without soil these minerals are to be provided via water.

Nitrogen- Turns sunlight into energy, for leaf and stem growth.

Phosphorus- Key component of protein synthesis, for roots and builds tissues.

Potassium- Regulates CO2 intake, maintains water level.

Calcium- Helps in nutrient penetration, key part of cell wall creation.

Magnesium- Asists in photosynthesis, gives them their color.


To determine perfect water temperature we need plant oxygen usage and its metabolism rate. In most cases, temperature between 50-70 degrees works best for winter plants and 60-80 degrees for summer plants. Commercially hydroponic plants flourish in temperatures ranging from 59-86°F.


Artificial supply of oxygen is required for ideal mineral intake. In traditional farming methods plants get oxygen form air pockets in soil while in hydroponics farming depending on your type of system you will have to adjust O2 supply, either in water reservoir or in plants base.

Root system 

In soilless plant system you will require certain support to hold your setup. Inert mediums such as rock wool, fiber, moss are typically used. Avoid using material such as gravel and sand as they don’t retain moisture.

What is hydroponics and its purpose?

Hydroponics is the future of farming. In traditional farming soil is the key component in providing nutrients, system support to its plants. For such systems health of plants depends a lot on quality of soil used, where you have to consider harm from diseases, pests, fertilizers, and natural calamities. However in hydroponic techniques you fully control your plant requirements. This regulation also safeguards from diseases, insecticides and chemicals. You control your plants intake, ensuring that it is pure and direct (free from chemicals). You will need to provide everything yourself. From strong nutrients to appropriate vitamins ensuring speedy and healthy growth.

Complete Hydroponic System Step by Step Guide

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I am Gul, an Electrical Engineer and working as an Embedded System Designer on fiverr.com for last 6 years. Hmm Engineering and gardening, weird combination, you must be thinking. Well during the last few years, I have designed multiple products for smart gardening system for my clients around the world. I always wanted to start a blog and share my knowledge but I was not sure how and what can I exactly share and give value to my readers.

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