In a Recovery Drip System, overflow of the nutrients will be collected back into the reservoir for reuse. The Non-Recovery Drip System does not collect the excess of nutrient solution. Therefore it is crucial to use a more precise timer to control the watering cycles to minimize the waste of runoff while nourish the plants with adequate hydroponic nutrients.

Though nutrient solution is utilized more efficiently in the Recovery Drip System, more maintenance tasks are required. When nutrient solution is recycled back into the reservoir, it will have significant change in pH and the strength. Therefore, constant checking and adjusting of the nutrient solution is essential.

Since Non-Recovery Drip system does not collect the excess of nutrients, it basically requires little to no maintenance. After you have set up the system with pH-adjusted nutrients, you can basically leave it to operate by itself until the time to refill with more nutrient solution.

Common growing medium used for Drip systems are rockwool, clay pellets and lava chips. Growing medium plays an important role in Drip system to determine the type of emitters used for dripping purpose. Generally, a fast draining medium (such as clay pellets) will require faster dripping emitters. On the other hand, slower dripping emitters are best used alongside with slow draining medium like rockwool.

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Usually pieces of porous material with high absorbent power like nylon ropes are used as wicks. One end of the wick is placed at the bottom of the growing container, and the other end is left hanging down the nutrient solution. The wick draws the water and nutrients from the reservoir up into the growing medium in the container.

While you can basically use any types of growing medium in the Wick hydroponic system, it is recommended to use growing mediums that can retain more water and nutrients for example, perlite, vermiculite, and / or coconut fiber. A mixture of perlite / vermiculite in the ratio of 1:1 works great in the Wick system, though the combination of perlite and coconut fiber is common too.

As the Wick system does not have proper aeration for the roots, it is usually wise to install an external air pump to supply oxygen into the nutrient reservoir. Run an airline from the air pump into the reservoir with the other end attached to an air stone. This will slowly oxygenate the nutrient solution in the reservoir. When nutrient solution is supplied to the root zone, it allows the roots to breathe.

There are few issues you need to consider when using the Wick system:

1. It is hard to achieve the correct moisture level for the plants as the wick used might not be able to pull sufficient water and nutrients to nourish the roots. You need to constantly experiment with different types of wick and growing medium in order to get the right growing environment.

2. The plants may use up the nutrient solution faster than the wicks can provide if the plants are big or if they take up large quantity of water.

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1. Arrange the rockwool cubes in a propagator.

2. Prepare the solutions with Roots Stimulator, and pH reading around 6.0.

3. Soak the rockwool cubes entirely with this nutrients solution.

4. Then, slot in the seeds into the hole in the centre of the rockwool cubes with a depth of around 0.5cm to 1cm.


5. Cover the propagator with a lid to maintain prevent nutrient solutions from drying out.

6. Illuminate the propagator with a soft or neon grow light.

7. Wait for the seed to start sprouting.

8. When you see signs of sprouting, transfer the rockwool cubes into a grow system.

9. Now, use a Metal Halide or HPS grow light to illuminate your grow system.

10. Fill the tank with water and fertilizer salts according to the irrigation scheme or with the help of an EC meter.

11. Start the system and set the timer for 1 minute of irrigation every 1 – 2 hours and 1 minute of irrigation in the middle of the dark period.

12. Set the timer to 18 hours of grow light per day.

13. Monitor the pH values and if necessary correct the solution with a pH+ or pH- corrector.

14. Monitor the EC values and if necessary correct the solution adding fertilizers or diluting it with water.

15. Always check that the solution in the tank is not damaged by sudden temperature changes and maintains the values between 18 to 26 degrees.

16. When you want to induce plants to flowering, change the daylight hours from 18 hours to 12 hours per day.

17. At the same variation of light, give a bloom fertilizer salt according to the irrigation scheme.

18. Monitor the pH values and the EC values whenever you have added or changed fertilizer, if necessary correct the solution accordingly.

(Images credit to www.hydroponic.eu)

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Concept of Ebb and Flow Hydroponic System

A reservoir filled with hydroponic nutrients and water is placed under a growing tray. The growing tray holds the plants pots, which are filled with growing mediums like rockwool, perlite, clay pebbles, or coconut fiber. The plants are flooded with hydroponic nutrients and water on the timed schedule by using a pump and a timer. When the timer is off, the nutrient solution is slowly drained back to the reservoir providing oxygen to the root system of the plant. To prevent overflow of hydroponic nutrients, an overflow drain is usually installed to adjust the maximum height for filling the nutrients.

Things you need to build an Ebb and Flow hydroponic system

1. Hydroponic tray
Plastic tray is more preferable as it is lighter and more durable to hold up the plants, growing mediums and nutrient solution. Take note that light should not shine through the tray in order to protect the roots system. The tray must be able to drain thoroughly to prevent root rot and mold problems due to standing water pools.

2. Growing medium
You can basically use any growing medium in an Ebb and Flow system. Though grow rocks or clay pebbles are more effective as this type growing mediums does not hold lots of water.

3. Support system
You will need a support system to hold the growing tray above the reservoir. The support system used must be strong and sturdy to bear the weight of your plants, growing mediums, and nutrient solution. You can use table, sawhorses, or milk crate as the support system in your Ebb and flow hydroponic system.

4. Plant pots
You can use almost any plastic pot as long as it has a hole at the bottom to allow the fill and drain of hydroponic nutrients.

5. Reservoir
Large plastic container works best as reservoir as it does not rust over time. Make sure the container is light proof to prevent algae growth problem.

6. Water pump
For a small scale setup, using an aquarium pump is adequate.

7. Drains
Basically there are 2 types of drain required in an Ebb and flow system. One for the filling and draining of the water from reservoir. Another drain is for controlling the overflow where you can adjust the maximum water level for your hydroponic system.

8. Timer
You can use any timer that allows the adjustment for an interval of 15 minutes or 30 minutes.

9. Flexible Tubing
Flexible tubing is required to connect the pump to your growing tray. Make sure you use non-transparent type of tubing to prevent algae growth.

Watch this video to learn how to build Hydroponic Ebb and Flow System easily.

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One of my favorite hydroponic vegetables is tomato. I love tomatoes grown with hydroponic gardening method. They are so juicy and so bright in colors. Hydroponic vegetables like tomatoes are so much better than store bought ones because they are bigger and tastier. They also tend to have more antioxidial powers.

Even better is the fact that hydroponic vegetables do not have any harmful pesticides or insecticides used on them. This means that they are better for you because there is less chance of toxic poisoning. All of my friends and neighbors who have tried my hydroponic vegetables all agree. It is so much better than the produce that is bought at the store.

Watch the video below to witness yourself how fast hydroponic plants grow with the use of correct hydroponic system.

Video: Growing hydroponic tomatoes with deep water culture system

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Some of the most common types of hydroponic systems are ebb and flow kits, aeroponics kits, and deep culture kits.

The ebb and flow hydroponic systems are based on the theory of flooding and draining. There is a reservoir that holds the water and nutrient solution until a pump is turned on. Once the pump is turned on the nutrient solution floods the roots of the plants. There is usually a set level; once the level is reached, the pump will shut off and the nutrient solution will slowly drain back into the reservoir. As the nutrient solution drains, oxygen helps the roots to maximize their nutrient intakes.

Another good kit for hydroponic gardening is an aeroponics kit. Many commercial farmers use aeroponic kits for hydroponic growing. This particular kit adds oxygen into the nutrient solution to help the roots to absorb the nutrients more quickly and efficiently. This increases the plant growth and makes the yields much more profitable. This is a popular choice of hydroponic systems. Aeroponics systems are also the ones used for research. It is excellent for enhanced growth of leafy plants.

The third most popular kit is the deep culture kit for hydroponic gardening. In this kit, the plants live in the reservoir of water and nutrients. There is a steady supply of added oxygen. This means that not only do the plants get constant supply of water and nutrients, but also a steady supply of air to the root systems as well. These are very simple hydroponic systems to put together. It is also probably the most proficient way of hydroponic growing available.

Growing your vegetables and fruits using hydroponic systems is the way of the future. It is important for you to be well educated about the different systems that are used in hydroponic gardening. If this is truly the way that you want to go, do plenty of research and do not be shy to ask questions. I personally love the idea of hydroponic gardening because it saves time and your homegrown produce is much healthier than buying it from the store. Hydroponic growing is by far the best way to grow vegetables that are brighter, juicier, and more nutritious.

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