How to Grow Hydroponic Tomatoes

Hydroponic tomatoes are easy to grow once you have the set up and are delicious! They will be there for you to pick your own whenever you want them, all year round! If you haven’t already, I suggest you also read the articles on DIY Hydroponics and building a Hydroponic Indoor Garden which explain the ins and outs of Setting Up Your Own Hydroponic Garden!

Hydroponic tomatoes will on average be bigger than traditional soil grown tomatoes, they will also take around 40% less time to grow due to the roots not having to spread out and search for the nutrients (which they have to do in soil)! For 10 reasons why growing your own hydroponic tomatoes is advantageous see the article on Home Hydroponics!

Assuming you’ve read DIY Hydroponics and you have chosen a hydroponic set up or if you already have your system in place then there are a few other things you need to take into account for growing hydroponic tomatoes!

Temperature

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This should be set at between 70 and 80 degrees Fahrenheit during the day and 10 degrees lower at night! This is the typical temperature that tomatoes will thrive in! If you get this balance wrong by 10 degrees either side, you’ll end up with discoloured, stunted or even dead tomatoes!

Lighting

Tomatoes are long day plants, so use the blue part of the light spectrum! They should ideally have 18 hours of light per day! I would recommend you use a metal halide high intensity discharge lamp!

Humidity

Hydroponic tomatoes need the correct humidity levels, a little too much and they’ll end up with calcium deficiencies! They will also struggle to take in other nutrients from your nutrient solution! The ideal setting for hydroponic tomatoes would be a 70% humidity level however you could go as high as 80% and they should be fine.

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