General Hydroponics Feeding Chart | Usage Guide

How to grow cannabis using general Hydroponic products and a feeding chart for autoflowers!
15 January 2021
8 min read
General Hydroponics Feeding Chart | Usage Guide

Contents:
  • 1. Manufacturer’s recommendations
  • 2. Base nutrients
  • 2. a. Floramicro
  • 2. b. Floragro
  • 2. c. Florabloom
  • 3. Beginners feeding schedule ml/l
  • 4. Supplements
  • 4. a. Rapidstart (roots)
  • 4. b. Liquid koolbloom (weight)
  • 4. c. Floralicious plus (aroma)
  • 4. d. Florakleen (flush)
  • 5. Experienced growers feeding schedule ml/l
  • 6. Extra supplements
  • 6. a. Armorsi (defense)
  • 6. b. Diamond nectar (weight)
  • 6. c. Florablend (aroma)
  • 6. d. Calimagic (vigor)
  • 6. e. Floranectar (flavor)
  • 6. f. Dry koolbloom (ripening)
  • 6. g. Dry koolbloom composition
  • 7. Expert grower feeding schedule
  • 7. a. Expert grower feeding schedule ml/l (vegetative stage)
  • 7. b. Expert grower feeding schedule ml/l (flowering stage)
  • 8. Chart for growing autoflowers in soil
  • 8. a. Ripen
  • 8. b. Bio roots
  • 8. c. Bio protect
  • 8. d. Bio bloom
  • 8. e. Mineral magic
  • 8. f. Autoflower feeding schedule for soil (ml/l)
  • 9. In conclusion

General Hydroponics has evolved a lot since its beginning more than 40 years ago, since then, they’ve been making their products with one goal in mind: improve and advance the quality of agricultural products and innovate through extensive research.

Based in Santa Rosa, CA, the company has dedicated decades to come up with solutions and system that can help anyone take care of a crop and get the best results possible, due to their effectiveness, their products have become extremely popular in North America and Europe, being of the most used products for hydroponic growers.

So if you’re a hydro grower or grow in a sterile medium such as coco fiber, perlite, rock wool, or clay pellets, read along to learn the contents of General hydroponics nutrients, how to use them, top tips, and our recommended feeding schedule for beginners and more experienced growers!

1. Manufacturer’s Recommendations

First of all, it’s essential you read the following recommendations by General Hydroponics:

  • Keep the nutrient solution at (or below) 24°C;
  • Allow 5-25% runoff during each watering;
  • Keep the pH between 5.5-6.5;
  • For better results flush after 1-3 feedings.
  • If your water is above 200ppm total or 70ppm calcium, use Flora Hardwater Micro instead of FloraMicro.
  • When using both Armor Si and CALiMAGic, add Armor Si to the reservoir first.
  • When using Armor Si and/or CALiMAGic, with Flora Series, these products should be added prior to adding FloraMicro.

Have in mind that they do not say it’s obligatory to follow their recommendations but by doing it you will have better results so if you can, we recommend you follow it strictly.

2. Base Nutrients 

General Hydroponic are synthetic nutrients designed to be used in sterile substrates such as coco fiber, rock wool, perlite, clay pellets, or soilless hydroponic setups but can be used in soil depending on the purity of your water source.

 

General hydroponics feeding chart: base nutrients

General Hydroponics nutrients are designed for hydroponics but can also be used in soil.
 

If you’re growing in soil don’t worry, we’ll also provide a feeding schedule for soil but first, let’s learn about their products.

FloraMicro, FloraGro, and FloraBloom is a 3-part feeding fertilizer and provides the base nutrients, which is most of the minerals needed for plant growth.

FloraMicro

General Hydroponics FloraMicro belongs to the Flora Series line and provides a constantly updated formula adapted to the latest scientific findings.

 

FloraMicro Composition

Nitrogen (N)5.0%Copper (Cu)0.01%
Soluble Potash (K2O)1.0%Iron (Fe)0.1%
Calcium (C)5.0%Manganese (Mn)0.05%
Boron (B)0.01%Molybdenum (Mo)0.0008%
Cobalt (Co)0.0005%Zinc (Zn)0.015%

 

Available in composition for hard or soft water, Flora Micro provides the micro, sub-micronutrients, and some complementary macronutrients needed throughout the growth and flowering process.

FloraGro

FloraGro stimulates structural and vegetative growth, strengthening roots, and providing most of the nitrogen, potassium, and secondary minerals in the Flora Series line. 

 

FloraGro Composition

Nitrogen (N)2.0%
Phosphate (P2O5)1.0%
Soluble Potash (K2O)6.0%
Magnesium (Mg)0.5%

 

The nutrients provided by the complete Flora Series allow you to perfectly satisfy the changing needs of your plants by varying the mixture and rhythm of their progress so you should use more of it during growth, and less of it during the flowering stage.

FloraBloom

FloraBloom provides the phosphorus and potassium inputs your plants need to increase their health and root formation during growth and helps to make the most of their genetic potential during the flowering stage. 

 

FloraBloom Composition

Phosphate (P2O5)5.0%
Soluble Potash (K2O)4.0%
Magnesium (Mg) 1.5%
Sulfur (S)1.0%

 

This product allows you to perfectly satisfy the changing needs of your plants by varying the mixture to the rhythm of their progress so you should use more FloraGro during the vegetative stage and more FloraBloom during the flowering stage.

3. Beginners Feeding Schedule ml/L

Now that you know what the base products contain and provide to your plants, here’s a feeding chart for beginners growing photoperiodic cannabis. 

 

General hydroponics feeding chart: beginners

 

Remember that this chart should be used as a guideline and it’s designed for growers using soft water in hydro, aero, coco, perlite, clay pellets or rock wool, so if you’re growing autoflowers in soil, read along for the chart you’re looking for.

4. Supplements

All the products mentioned above can be used without adding supplements but it’s highly recommended to use the following products if you want your plants to grow faster, healthier, and produce bigger and better buds.

Wondering why? Read along for their contents and the beginner feeding schedule for General Hydroponic products.

RapidStart (Roots)

RapidStart is a root stimulator that promotes vigorous and healthier roots which results in faster growth, and bigger and better yields. This product can be used in all types of substrates such as pre-amended soil (or soilless mixes), coco, and hydroponic setups. 

 

FloraBloom Composition

Nitrogen (N)1.0%
Phosphate (P2O5)0.5%
Soluble Potash (K2O)1.0%
Iron (Fe)0.05%

 

Liquid KoolBloom (Weight)


KoolBloom is available in liquid and dry form, this product should be used from the beginning of the pre-flowering stage up to the last weeks of flower because it contains the compounds needed to increase the flowering sites and improve growth, resulting in denser buds, bigger yields and encouraging bud ripening.

 

Liquid KoolBloom Composition

Phosphate (P2O5)10.0%
Soluble Potash (K2O)10.0%

 

Floralicious Plus (Aroma)

Floralicious is a growth enhancer and contains nutrient supplements designed to boost growth, this product can be used both in the vegetative and flowering stage and contains exactly what you need to improve plant growth.

 

Floralicious Plus Composition

Nitrogen (N)2.0%
Phosphate (P2O5)0.8%
Soluble Potash (K2O)0.02%
Humic Acid2.0%
Sea Kelp20.0%

 

FloraKleen (Flush)


Florakleen is used to eliminate nutrient build-up and can be used in all substrates during cultivation, and also between crops to clean the systems of accumulated salts which can obstruct irrigation but mainly when flushing in soil, to help preserve the original taste of your plants.

5.  Experienced Growers Feeding Schedule ml/L

Now that you know what the base products and supplements contain and provide to your plants, here’s a feeding chart for experienced cultivators growing photoperiodics. 

 

General hydroponics feeding chart: experienced growers

 

Remember that this chart should be used as a guideline and it’s designed for growers using soft water in hydro, aero, coco, perlite, clay pellets, or rock wool, so if you’re growing autoflowers in soil, read along for the chart you’re looking for.

6.  Extra Supplements

If you are already using all of the products mentioned above and want to take your harvest to the next level, here are the extra supplements you are looking for.

ArmorSi (Defense)

ArmorSi provides Silica and Potassium, these minerals increase your plant’s strength and stress resistance, which result in bigger yields and also improve structural and foliar growth. A must for growers who want overall healthier plants.

 

ArmorSi Composition

Soluble Potash (K2O)4.0%
Silicon Dioxide (SiO2)10.0%

 

Diamond Nectar (Weight)

Diamond Nectar is a mix of humic and fulvic acids which facilitate the absorption of nutrients by the roots and a stimulator that promotes rapid and vigorous plant growth.

 

Diamond Nectar Composition

Phosphate (P2O5)1.0%
Soluble Potash (K2O)1.0%
Low Molecular Humic Acid0.01%

 

This is a product designed to accelerate nutrient absorption through a natural process called chelation, this works by grabbing immobile minerals and transporting them into the roots and plant tissue for faster and bigger growth.

FloraBlend (Aroma)

FloraBlend is a mineral blend used to help plants grow a more vigorous root system and a stronger structure, this will provide a more sturdy plant with a visible increase in stems, foliage, mass, and root network.

 

FloraBlend Composition

Nitrogen (N)0.5%
Phosphate (P2O5)1.0%
Soluble Potash (K2O)1.0%

 

CALiMAGic (Vigor)

CALiMAGic provides the supplemental calcium, magnesium, and iron your plant’s need to avoid common deficiencies and allow them to thrive without affecting growth and yields. 

 

CALiMAGic Composition

Nitrogen (N)1.0%
Calcium (Ca)5.0%
Magnesium (Mg)1.5%
Iron (Fe)0.1%

 

By using it properly, you can prevent rot, nutrient block, and yellowish leaves which is very common amongst cannabis growers, resulting in an overall stronger plant and prevents micronutrient deficiencies.

FloraNectar (Flavor)

FloraNectar contains essential minerals and molasses that benefits the soil and the plants while allowing you to take the aroma and taste of your harvest to the next level by regulating the metabolism processes and achieving a balance between respiration and photosynthesis, resulting in a higher yield and better quality flowers.

 

FloraNectar Composition

Soluble Potash (K2O)1.0%
Magnesium (Mg)0.5%
Sulfur (Su)0.5%
Cane Sugar17.5%
Molasses5.0%

 

Dry KoolBloom (Ripening)

Apart from the denser flowers provided by the Liquid Koolbloom, Dry KoolBloom enhances the terpenes and cannabinoid production while promoting a faster ripening. 

Dry KoolBloom Composition

Potassium Chloride (KCl)5-10%
Magnesium Sulfate (MgSO4)5-10%

 

This product is used during the ripening stage (last week of flower) to increase the intensity of the flowering process, resulting in bigger and better flowers.

7. Expert Grower Feeding Schedule

Now that you know what the complete line of General Hydroponics products contains and provides to your plants, here’s a feeding chart for experienced cultivators growing photoperiodic cannabis. 

Expert Grower Feeding Schedule ml/L (Vegetative stage)

 

General hydroponics feeding chart: expert grower schedule for veg

 

Remember that these amounts may change depending on the strain and growing conditions you're growing in, these tables should be used as a general guideline and you should always pay attention to how your plants react and adjust the nutrient dose according to those signs.

Also, have in mind that this table has been designed for those using soft water, if you're watering with hard water it's recommended to use the Flora Hardwater Micro to avoid having problems along your grow cycle.

Expert Grower Feeding Schedule ml/L (Flowering stage) 

 

General hydroponics feeding chart: expert grower schedule for bloom

 

This chart should be used as a guideline and it’s designed for growers using soft water in hydro, aero, coco, perlite, clay pellets, or rock wool, so if you’re growing autoflowers in soil, read along for the chart you’re looking for.

8. Chart For Growing Autoflowers in Soil 

Because soil is and contains organic matter, instead of using all the products mentioned before you’ll have to use the following Bio products from General Hydroponics:

Ripen

Ripen is a product that provides all the nutrients needed for the last weeks of flowering, the minerals contained encourage plants to ripen faster and use all the nutrients that are still stored in your plants, resulting in better quality flowers and a bigger harvest.

 

Ripen Composition

Phosphorus (P)6.0%
Potassium (K)5.0%
Magnesium (Mg)3.0%
Sulfur (S)5.0%

Bio Roots

Bio Roots is a natural product designed to stimulate root growth and resistance to fungi on clones and plants in the vegetative stage, this product acts in the root zone, working along the beneficial microorganisms present.

 

Bio Roots Composition

Phosphoric Acid (H3PO4)1-3%

Bio Protect

Bio Protect is a natural concentrate that should be used as a foliar spray to increase your crop’s resistance and defense against bugs. The amino acids and natural essential oils in this product create a layer on the leaves that strengthen your plant’s immune system, allowing your plant to withstand a bug attack and repel the bugs.

Bio Bloom

Bio Bloom is a stimulant made from natural ingredients that improve growth and beneficial microorganisms activity in the root zone.

 

Bio Bloom Composition

Fruit OilUp to 1%Sodium AlginateUp to 3%
Humatic AcidsUp to 1%Seaweed Up to 10%
PectinateUp to 1%Organic MatterUp to 84%

 

Thus improving nutrient absorption and transportation which results in larger leaves, bigger flowers, and an increased yield while boosting the immune system.

Mineral Magic

Mineral Magic from General Hydroponics contains Montmorillonite as the main ingredient and it’s a powdered additive formulated with natural silicate and marine organic extracts, a very important complement for the correct development of the plants in any culture medium, resulting in higher resistance against harmful fungi and stronger branches and stems. 

Autoflower Feeding Schedule for Soil (ml/L)

Now is the moment you’ve all been waiting for, if you were looking to use your General Hydroponics fertilizers with autos in soil, here’s a chart especially designed for autoflowering cannabis.

 

General hydroponics feeding chart: autoflowers in soil

 

Just remember that this feeding schedule is a guideline because all strains are different so you may have to adjust the amounts if your plant is showing symptoms of nutrient deficiencies or are not growing as they should.

If you are growing photos in soil you can still use this table, but you'll have to double the dose of all products used in the autoflower feeding chart.

9. In Conclusion

We hope this blog helps everyone that supports Fast Buds and makes your life easier, now that you know how to use General Hydroponics nutrients with all types of cannabis plants and all types of grow setups, it’s time to test a feeding schedule!

If you use General Hydroponics nutrients either in hydro, coco or soil, share your experience with fellow growers, leave a comment in the comment section below!

15 January 2021
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