Three part nutrient solution

A three part nutrient solution from General Hydroponics

The Flora series from General Hydroponics is a three nutrient parts are FloraGro, FloraMicro, and FloraBloom. All three parts mixed together contain all the primary, secondary and micro nutrients needed for your garden. When mixing a three part hydroponic nutrient solution it’s a little more complex than just pouring in the different amounts of nutrients and stirring. There are a couple of rules to abide by when mixing your hydroponic nutrient solution. A three part nutrient solution has to be added in a certain order and certain way to prevent lock up.

Before Mixing Nutrient Solution

Before anything, make sure your reservoir is cleaned. You don’t want any debris or chemical to mix to affect your solution, system or plants. Add your clean water to your reservoir, but know how much you’re adding so you know how much of each nutrient solution to add. I recommend keeping it at whole gallons for easy measuring. There is a basic applications table or you can visit the General Hydroponics website and check out their feeding schedule. How much of each nutrient gets added to the solution depends on where the plant is at in its life cycle. Do not premix the three nutrient parts together before adding it to the water in your reservoir or you will experience nutrient lockout.

How to Mix A 3 Part Nutrient Solution

Step 1 FloraMicro

FloraMicro

FloraMicro

The first nutrient solution you should always add to the fresh water is FloraMicro. The other nutrients can be added in any order after FloraMicro, but FloraMicro should be added first. If your area has really hard water there is also a FloraMicro hard water specific. FloraMicro provides nitrogen, potassium, calcium and micronutrients to your garden. This part is the building block, providing the plant nutrients that it needs to provide strength and make different processes work. Make sure to measure out the exact amount of this nutrient you will need for the amount of water that you are using.  After adding the nutrient, mix the water around with something clean. After stirring I like to let it set for a couple of minutes before adding the next nutrient.

Step 2 FloraGro

FloraGro

FloraGro

The second nutrient solution that I add to the reservoir is FloraGro. FloraGro provides your plants with nitrogen, phosphorous, Potassium, and secondary minerals.  The part of the nutrient series provides the plants what they need for structural/vegetative growth and helps build a healthy root system. As with the first addition, make sure to measure out the exact amount of nutrients needed. After adding the nutrients mix the water and let it set a couple of minutes before moving onto the next nutrient.

Step 3 FloraBloom

FloraBloom

FloraBloom

The final nutrient in the three part nutrient mix is FloraBloom. FloraBloom provides your garden with high amounts of phosphorous, potassium, magnesium, and sulfur. This part of the nutrient mix stimulates flower and fruit development. It also enhances flavor, aroma, and essential oils in your plans. When mixing in the nutrient solution, repeat the same steps as before, measuring the exact amount of nutrient need and then stirring well.

As a final step, you will need to measure the ph of your hydroponic solution. It should be somewhere between 5.5 and 6.5. Using a three-part nutrient is a great general feeding and can also be a great way to allow yourself the ability to tailor your nutrients to the different types of plants in your garden. Mixing these nutrients is a simple weekly task and between reservoir changes, plain water is used to top off the reservoir.


About the Author: NoSoilSolutions

My name is Michael and I'm all about simple how-to hydroponic gardening! I believe hydroponics gives anyone the opportunity to have a garden, no matter where they live.

7 Comments

  1. Paul Guncheon July 23, 2020 at 2:56 am - Reply

    What are these “exact amounts” you keep talking about in the article? It would be helpful for you to specify the amount of each nutrient to add.

  2. EE November 23, 2020 at 5:05 pm - Reply

    Do you know for how long the mixed solution is stable for? I mixed up enough into 2L of water (about half a gallon) and only used half of it. Can I store it in a cool dark place and if yes, for how long? I couldn’t find the answer on the product website… Thank you so much!

    • NoSoilSolutions December 2, 2020 at 10:42 pm - Reply

      I’m not really sure exactly how long it’s good for after mixing. You definitely would want to store it in a dark clean container, but I would really recommend only mixing what you plan on using immediately. The rich stagnant nutrients is going to be an invitation for the growth of things you don’t want to grow.

  3. Keith December 8, 2020 at 9:30 am - Reply

    Hello Michael,

    I recently ordered a General Hydroponics 3 pack including FloraMicro, FloraGrow, and FloraBloom, anticipating that these would be essentially all I might need as I take essentially my first steps into hydroponic gardening. At the same time I certainly understand that there would likely occur additional expenses. This being the case, I’d certainly not be surprised to find that some other nutrient additives might be used for tweaking plants further down the road.
    But then last night while having a look at the General Hydroponics website and searching for their recommendations for how to use the three base nutrients, I stumbled across the “Flora Series Recirculating Program”, a URL which your website also points to. In addition to the 3 Base Nutrients, I encountered quite a number of additional additives, which VERY quickly racks up a serious expense by comparison to the Base Nutrient trio.
    Making up the additional list are RapidStart, Liquid KoolBloom, Floralicious Plus, FloraKleen, Armor Si, Diamond Nectar, FloraBlend, CALIMAGIc, FloraNectar, and Dry KoolBloom.
    My main question boils down to this. Are the three base nutrients (FloraMicro, FloraGrow, and FloraBloom) sufficiently up to the task of creating proper yields of vegetables…or is this array of additional nutrients really needed, as would be suggested on the General Hydroponics website? Many thanks in advance!

    • NoSoilSolutions December 9, 2020 at 1:46 pm - Reply

      Hey Keith! FLoraMirco, FloraGrow and FloraBloom are base nutrients, and depending on what your growing are oftentimes all you NEED for your hydroponic garden, especially if you’re just growing leafy greens. The other products are supplements which help increase plant functions giving them a boost. Some vegetables like tomatoes and peppers will suffer from blossom end rot which can be prevented with more calcium in your nutrient regimen and can be fixed by adding some calimagic.

      This General Hydroponics page lets you know which each of the supplements helps with. As you can see most of them are boosters or enhancers. Hope that helps but just shoot me an email if you need any further assistance!

  4. Keith December 16, 2020 at 4:37 pm - Reply

    Many thanks! The idea of having to invest that much more money into what’s currently a fledgeling project I found to be less than appealing. Having done quite a lot of soil-based gardening during the past several years, I definitely understand the need for calcium in tomatoes and peppers…and the likelihood that a calcium supplement would almost certainly be necessary. Strangely, I currently live on top of serious beds of limestone very near the Ohio River, which easily provide sufficient calcium. All of that limestone, however, comes at the cost of having very high ph levels. When I mixed the water and nutrients most of a week ago, I was quite uneasy when I saw the ph level coming in at around 5…and having to up the ph, when I’ve become so used to fighting to bring it down. In any case, thank you again for helping to clarify my concern. And thank you also for your offer of assistance should I run into future problems.

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