nutrients & ph
Earth Juice Natural pH Up and Down is a natural way to adjust pH levels.
Earth Juice Natural pH Up and down is a natural way to adjust the pH of fertilizer and spray solutions. Earth Juice Natural pH Up is a crystallized pH adjuster used to adjust fertilizer and foliar spray solutions. Adjusting the pH of fertilizer and foliar spray solution provides a much more effective use and faster absorption of nutrients by plants. pH levels can measured using pH meters.
pH is a measure of the acidity or basicity of a solution. By definition, pH is a measure of the number of hydrogen ions (H+) in the media solution- the more hydrogen ions, the lower the pH, and consequently, the more acidic the solution pH (potential hydrogen) levels for hydroponic gardening are extremely important and should be checked regularly. The pH scale ranges from 0 to 14 with anything below seven considered “acidic.” Solutions with a pH less than 7 are said to acidic and solutions with a pH greater than 7 are said to be basic or alkaline. Pure water is said to be neutral. Most plants prefer a pH level between 5.5 and 6.5. A pH level that is too high or too low can affect the plants’ abilities to use nutrients.
The nutrients, the water, the trace elements, the growing medium, and the gases at the roots have different electrical charges all engaged in a constant battle. All these surround the root system and are exchanging positive and negative charges, and in this way nutrients are absorbed into the roots to feed the plant.
The pH is the most important factor for water culture gardeners to monitor because the pH of a nutrient solution reads the outcome of an electrical battle that is fought between the roots and everything surrounding them. When growing in pots, the run-off is the place to measure the pH level.
Why should the pH be monitored? Water pH is an important factor as it relates to the solubility of fertilizers and the stability of some pesticides. The protein and enzyme molecules in a plant are structured in very specific shapes in order to catalyze a chemical reaction to build the plant cells. To do so, they need reactant molecules to fit precisely into their gaps like keys to locks; this means that all the negative and positive charges have to line up exactly. In fact, plants often change their own cellular pH to stop or speed up a certain enzyme reaction.
Taking care of your pH levels can make a difference with having a healthy and vigorous crop.
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General Hydroponics Nutrients
General Hydroponics is the original line of hydroponic nutrients. Many indoor growers still rely on the reliable General Hydroponics 3-part Flora Series and feel it is unrivaled in its overall performance. We feel a little differently, but that’s another story altogether. The 3-part Flora Series lets you tinker with the levels of Grow, Micro and Bloom to your heart’s content in search of the perfect formula. We suggest using this handy General Hydroponic Nutrient calculator to get started. General Hydroponics also has a one-part nutrient, Flora Nova. Flora Nova comes in both a Grow and Bloom formula. Flora Nova works rather well and is super easy to use as one-part formulas typically are.
General Hydroponic Nutrients has some really good additives to support the line.
- Floralicious Plus is a kelp based metabolic enhancer that is chocked full of good stuff. Along with kelp, Floralicious Plus has carbohydrates, amino acids, polyflavinoids, and humic and fulvic acids.
- Diamond Nectar is concentrated pure fulvic acid and will help with nutrient uptake and availability.
- SubCulture by General Hydrponics is an easy-to-use affordable inoculant of beneficial microbes ranging from Trichoderma to Streptomyces.
- FloraNectar is a new product that contains all natural raw cane sugar, molasses, malt syrup, select plant based esters, L-amino acids, organic acids, polyflavinoids, vitamins and essential minerals.
- FloraBlend is a vegan organic product that contains highly soluble organic compounds that increase and promote healthy root structures, build the plant’s immune system and provide carbon building blocks for plant processes responsible for color and flavor of fruits and vegetables.
- Kool Bloom is General Hydroponics age-old “super phosphate” bloom stimulant, which will promote larger fruit / flowers.
For more information on the entire General Hydroponics line of nutrients, click the button below.
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Agricultural Organics Yellow Bottle Bloom Sale
Hey everyone – don’t forget the coupon 10YELLOW is still up for one more day. Get 10% off the entire Agricultural Organics Yellow Bottle Line today and Friday only. You must use the coupon 10YELLOW (case sensitive) to get the discount.
Check out our recent blog post if you aren’t familliar with Agricultural Organics Bloom or the Yellow Bottle Line as it is referred to around igrowhydro.com. That article will give you a fast run down of all of the Bloom products.
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Humboldt Nutrients Plant and Hydroponic Nutrients Part 2
In the first post about Humboldt Plant Nutrients we covered some background about the company and introduced the first half of Humboldt Nutrients hydroponic nutrient line. Humboldt Nutrients lower price point and fantastic results makes this line of plant nutrients a great way to grow your indoor garden.
We are going to pick back up with the rest of the plant nutrient product line and then in part 3 supply you with a few fantastic feeding charts from Humboldt Nutrients.
Humboldt Hydroponic Nutrients Continued

Mayan MicroZyme
Mayan MicroZyme is a 100% organic and ecologically safe Bacterial-Enzymatic Complex with Biological Nitrogen Fixation (BNF) that includes 24 species of soil microorganisms that will increase fertility while providing vital plant nutrients to all types of plants and crops. Mayan MicroZyme mineralizes plant nutrients; produces nitrogen, natural antibiotics and plant growth hormones; regulates nitrogen; builds soil organic matter; suppresses soil and plant pathogens; and improves fertility, yields,and nutrient availability and uptake. The micro- organisms in this concentrate are dormant with a long shelf life because of the micro-encapsulating solution. When the concentrate is diluted in water and aerated, the micro-encapsulation dissolves and the microorganism populations become active and increase in number.

Myco Madness
Myco Madness helps plants enjoy improved nutrient and water uptake, disease resistance and performance. Humboldt Nutrients employed one of the leading mycologists in mycorrhizae studies to help in the formulation of this yield and quality enhancing product. It contains a bio-stimulant package, 18 mycorrhizal species, 19 beneficial bacteria and 2 trichoderma species weel-suited to a variety of media, soil conditions, climates and plants. Myco Madness contains mycorrhizal fungi that colonize plant roots and extend the root system into the surrounding media, greatly enhancing the absorptive surface area of root system. Finally, Myco Madness helps in forming an essential link between the plant roots, organic matter, and fertilizers of all types and even includes a specifically formulated natural root biostimulant.

Myco Maximum
Myco Maximum granular contains humic acids, organic fertilizer, 10 species of growth-enhancing mycorrhizal fungi, 19 strains of beneficial bacteria, 2 trichoderma species, micronutrients, 11 time released carbohydrates and 20 different amino acids. Myco Maximum adds organic matter and contains nitrogen, phosphorus, potassium and micronutrients necessary for plant health. Mycorrhizal fungi increase the surface absorbing area of the roots from 10-10,000 times, thereby greatly improving the ability of plants to grow, fruit and flower by forming an intricate web that captures and assimilates nutrients and water for the plant.Working together, beneficial bacteria, mycorrhizae and trichoderma fungi expand into the surrounding medium to greatly increase the roots’ ability to absorb and recycle water and nutrients, thus improving transplant success, flowering and plant health.

Natural Bloom
Humboldt’s plant nutrient, Natural Bloom (0-10-0) is an ultra concentrated organic bloom formula designed to give your plants the large phosphorus and calcium boost needed during the flowering period. Natural Bloom induces an immediate flowering response in flowering plants, encouraging multiple flowering sites. The use of Natural Bloom promotes full flavors, aromas, and beautiful bouquets only obtained by the use of the richest organics provided by Humboldt Nutrients.

Natural Grow
Humboldt Nutrients Natural Grow (3-1-3) is an ultra concentrated organic grow formula designed to give your plants the balanced nutrition needed during the vegetation and flowering period. Natural Grow is made using the finest and freshest organic ingredients available anywhere. The base ingredients in Natural Grow will promote and facilitate the growth of beneficial bacteria and fungi in your growing media. The use of Natural Grow promotes full flavors, aromas, and beautiful bouquets only obtained by the use of the rich and pure organic ingredients provided by Humboldt Nutrients.

Prozyme
Prozyme is made up of over 80 different enzymes in a concentrated form. Prozyme will encourage the development of beneficial bacteria and catalyze water and elements. The enzymes present in Prozyme will break down dead root mass, starches, carbohydrates and nutrients to make them readily available to the plant.

Sea Cal
Loaded with micronutrients in ratios that plants require during their growing and flowering cycles, Sea Cal (3-2-8) was designed in Humboldt County to be a powerful additive for hydroponics and all growing mediums. These vital micronutrients are coupled with sea plant extract, organic acid complexes, and natural chelating substances. Adding these to the complete nutritional base regimen provides maximum flower production coupled with heavy fruit yields. Sea Cal may be utilized for any type of vegetables, flowers, or herbs in conjunction with the 3 part nutrients system.

Sea Mag
Loaded with vital micronutrients in ratios that plants require during growing and flowering cycles, Sea Mag (0.2-0.2-3) was designed in Humboldt County to be a powerful additive for hydroponics and all growing mediums. These vital micronutrients are coupled with sea plant extract, organic acid complexes and natural chelating substances. Adding these to our complete nutritional base regimen provides maximum flower production coupled with heavy fruit yields. Sea Mag may be utilized for any type of vegetables, flowers, or herbs in conjunction with our 3 part nutrients system.
Note: Please avoid storing in direct sunlight and protect from freezing.
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Humboldt Nutrients Plant and Hydroponic Nutrients Part 1
Humboldt Nutrients is committed to providing the best quality products for hydroponic and organic growers. Humboldt Nutrients is a more affordable line of plant nutrients and complete nutritional programs that will increase the yield and quality of your favorite plants. Plant nutrient lines imported from foreign countries are more expensive than Humboldt’s hydroponic nutrients due to import taxes and tariffs included in their pricing structure and the quality of Humbolt’s plant nutrients far exceeds other lines without exceeding the price.
Tested in Humboldt County, California, one of the largest agricultural states in the world. California’s farms, gardens and greenhouses are responsible for the cultivation of a variety of plants that help feed the stomachs and minds of people all over the world. Accompanying this variety of crop production is the extensive research in plant science, soil biology, chemistry, and many other fields related to crop production. Humboldt Nutrients has harnessed the best of our home grown scientists to develop cutting edge plant nutrients. We employed leading experts in the fields of chemistry, mycology, and agronomy to assist in the formulation of Humboldt’s hydroponic nutrients.
Humboldt Hydroponic Nutrients Products
Humboldt Nutrients was designed in Humboldt County to be part of a complete three part growing nutrient system for hydroponics and all growing mediums. Through extensive research and testing we have formulated an easy to use, highly effective fertilizing program. Humboldt Nutrients three part nutrients can be utilized for any types of vegetables, flowers, or herbs. In conjunction with our high powered hydroponic additives, Humboldt Nutrients gives growers maximum flower production coupled with heavy fruit yields.
Humboldt Master is a premium two part amino acid based fertilizer program designed for flowering plants. The amino acids and organic acid complexes set the Master A&B series apart from your standard base plant nutrient making all the macro and micro nutrients more available.
Big Up Powder (0-33-23) provides energy that your plants need to finish blooming with the largest flowers possible. Big Up Powder contains a diverse amount of proprietary ingredients that many competing products simply don’t offer and is free of all unnecessary artificial colors and dyes. Designed specifically for the final weeks of the flowering period, Big Up Powder provides the final boost of energy that your plants need to finish the bloom cycle with the largest flowers you have ever seen.
FlavorFul is an 8% liquid fulvic acid concentrate. Fulvic acid is comprised of a long chain of organic carboxyl and polyhydroxide acids. This organic complex molecule is very active with many open rings, giving it a large capacity to hold and exchange nutritive cations and anions. FlavorFul will enhance cell wall permeability through the root and leaf systems increasing negatively charged colloidal particles that are capable of holding and exchanging cations.
Humboldt Honey ES is an excellent source of carbohydrates for all plants. Humboldt Honey ES also helps promote and facilitate the growth of beneficial bacteria and fungi in your soil or soil-less media.
Humboldt Roots is a highly concentrated organic root stimulant that expands the root zone during the critical growth stage. Many growers neglect the fact that the soul of every plant resides in the roots and concentrate on the visual aspects of their plants. A large yield is directly related to a plants metabolism rates and plant metabolism rates are directly related to the root zones capabilities to uptake plant nutrients and fertilizers. Humboldt Roots was specifically designed to expand the root zone which results in larger yields.
Hum-Bolt promotes the conversion of elements into forms more readily available to the plants. Hum-Bolt humic acid promotes high ion exchange capabilities, stimulates plant enzymes, beneficial organisms and acts as an organic catalyst.
Click to see Humboldt all in one nutrient page.
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