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Best Cannabis Nutrients For Hydroponic Setups

Hydroponic growing is a way of growing soilless, this unique way also utilizes a very specific type of nutrients.
05 June 2020
9 min read
Best Cannabis Nutrients For Hydroponic Setups

Contents:

Hydroponics is a way of growing where you don’t need soil or any type of medium (although you can). This way exposes the roots directly to an oxygenated mix of water and nutrients, making the nutrients available when the plant needs them.

1. Soilless Growing

Soilless growing can refer to any type of growing where soil is not used (like hydroponics or aeroponics). 

The benefits of these methods are that you submerge the roots in a rich nutrient solution, allowing your plants to feed when they want and the amount they need.

 

Hydroponic is the most used method of growing soilless.
 

By being directly exposed to the nutrient solution, they can feed without having to “fight” against soil, allowing the plant to grow bigger without the roots having to grow too much. This results in quicker development and can result in an overall faster harvest.

2. What Are Good Hydroponic Nutrients?

There are lots different nutrients for feeding your plants in a hydroponic setup, the best one will depend on your budget and ability as a grower, although in a hydro setup the nutrients are fed directly to the roots so you have to be careful with the amount given.

When looking for good hydroponic nutrients you need to find a brand that provides every nutrient the plant needs and in the right amounts.

That is a medium amount of Phosphorus (P), and a high amount of Nitrogen (N) and Potassium (K) in the vegetative stage.

And less nitrogen (N) and a high level of Phosphorus (P) and Potassium (K) in the flowering stage.

 

N, P, and K are the main nutrients a cannabis plants need.
 

You should only use nutrients specially designed for hydroponic systems. They contain a high amount of micronutrients, including magnesium, calcium, iron, and sulfur which your plant gets from soil, but because there’s no soil in this method, you should provide all of the micronutrients yourself.

Also, have in mind that almost all organic nutrients need organic matter to work, they depend on microorganisms and the microorganisms depend on soil which is not available in hydroponics, so be really careful when buying nutrients.

Note: If you’re using filtered water, you should also look to add the following nutrients boron, cobalt, copper, manganese, molybdenum, and zinc. 

This is because the filters not only remove impurities but also remove the minerals in the water, not providing all of the micronutrients can cause deficiencies.

3. Cares You Should Take With Nutrients In Hydro

There’s not much you need to do when feeding in hydro, other than checking and adjusting the pH of the solution daily. 

Because the roots are directly exposed in hydro, even the slightest change in the pH level can shock your plants, stunting growth and not allowing them to properly absorb nutrients.

 

A pH meter is essential in hydroponic grow to make sure the plants are absorbing nutrients properly.
 

For optimal growth, you will need a pH meter and be sure you maintain the pH level between 5.5 and 6.5. This will depend on the strain and nutrients being used of course. Also remember the pH level may change depending if your setup is using any medium (like coco fiber, rockwool, perlite, etc.).

It is crucial to provide them with the perfect growing environment because they will be directly affected by the, unlike when growing in a medium like soil which doesn’t expose the roots directly to the solution.

4. In Conclusion

Unlike growing in soil, hydroponics need special attention and care. 

Hydroponics can allow you to grow better flowers than in soil but paying the price of having to be present 24/7, as a slight malfunction of any of the equipment in your setup may result in the death of all your plants.

We definitely recommend growers to try hydroponics, but we advise that you will need a bit of experience to be able to successfully harvest your plants.

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