Potassium Humate Shiny Crystal
The Highest-Analysis Soluble Grade — and the One That Sells on Sight
1–2 / 2–4 mm black crystal · 65% humic acid · 10% K₂O · 97% soluble · 12% max moisture
Product Overview
Potassium Humate Shiny Crystal is our premium soluble grade: 65% minimum humic acid, 10% minimum K₂O, 97% minimum solubility, and a distinctly lustrous black crystal that looks like nothing else in the range.
Two reasons customers pick it. The first is specification — at 65% humic acid with 12% maximum moisture, this is the most concentrated, driest soluble humate we make. The low moisture content means you are buying active material rather than water, which matters when you are comparing price per unit of humic acid rather than price per tonne.
The second is appearance, and it is not a trivial consideration. In a retail bag, in a clear container, or on a trade-show table, the crystal looks like a premium input. Several of our customers sell into markets where the buyer inspects the material before agreeing a price, and a glossy black crystal simply performs better in that moment than a matte powder or flake. It also dissolves visibly and completely, which makes a convincing demonstration.
Available in 1–2 mm (faster dissolution, finer appearance) and 2–4 mm (easier handling, stronger visual impact).
Potassium Humate Shiny Crystal costs more per tonne than the standard grades. On cost per unit of humic acid the gap narrows considerably — and where the material is seen before it is bought, it often pays for itself.
Key Benefits
Highest humic analysis of the soluble range
65% minimum humic acid against 60% on standard powder and flake. On a cost-per-unit-of-humic-acid basis the premium is much smaller than the per-tonne price suggests.
12% maximum moisture — the driest grade we make
At 12% moisture against 15% on standard grades, you are buying more active material per tonne and less water. That matters for freight as well as for formulation.
Distinctive lustrous appearance
Glossy black crystal with real visual impact. In retail packs, clear containers and buyer meetings, the material sells itself in a way a matte powder does not.
Dissolves visibly and completely
97% minimum solubility with a clean, dramatic dissolution. A genuinely effective demonstration for distributors and growers.
Low dust, clean handling
The crystal is dense and hard, generating essentially no fines in handling and transport.
Two size grades available
1–2 mm for faster dissolution and a finer appearance, or 2–4 mm for easier handling and stronger visual impact.
Technical Specification
| Parameter | Specification | Test standard |
|---|---|---|
| Humic acid (dry basis) | 65.0% min | HG/T 3278-2011 |
| Potassium as K₂O (dry basis) | 10.0% min | GB/T 33804-2017 |
| Fulvic acid (dry basis) | 2.0% min | HG/T 5334-2018 |
| Water solubility (dry basis) | 97.0% min | HG/T 3278-2018 |
| Moisture | 12.0% max | HG/T 3278-2011 |
| pH (1:100) | 9.0 – 10.0 | GB/T 33804-2017 |
| Particle size | 1 – 2 mm / 2 – 4 mm | Visual observation |
| Appearance | Black shiny crystal | Visual |
| Product code | JFHA-KHA-C | — |
Specification values are guaranteed minimums on a dry basis, taken from the batch Certificate of Analysis and tested against the stated Chinese industry standards. Every shipment travels with its own COA stating the tested values.
Need the full Certificate of Analysis, MSDS, or TDS for your formulation or tender file?
Request COA / MSDS / TDSForm & Solubility
Form: dense black crystal with a distinct gloss, available at 1–2 mm or 2–4 mm. Hard, clean, essentially dust-free.
In water: 97% minimum soluble. The crystal breaks down and disperses completely under agitation, with a small insoluble fraction (up to 3%) that is normal for this grade and harmless in soil or through a properly filtered system.
Handling: excellent. Dense and hard, so it pours cleanly, generates no dust, and does not degrade into fines in the bag.
Appearance in the pack: the reason many customers choose it. The lustre is genuine and it survives handling, which is not true of every ‘shiny’ humate on the market.
Which potassium humate grade fits your process?
| Grade | Form | Humic acid | K₂O | Solubility | Best for |
|---|---|---|---|---|---|
| Potassium Humate Powder | 60–80 mesh powder | 60% min | 10% min | 100% | Fertigation, foliar, liquid fertilizer production |
| Potassium Humate Flakes | 2–4 mm flake | 60% min | 10–12% | 100% | Broadcast, fertigation, liquid production |
| Sodium-Free Potassium Humate | Flake or powder | 65% min | 15% min | 100% | Hydroponics, closed loops, saline–sodic soil |
| Potassium Humate Shiny Crystal (this product) | 1–2 / 2–4 mm crystal | 65% min | 10% min | 97% min | Premium soluble grades, retail packing |
| Big Shiny Flakes | 2–4 mm shiny flake | 50% min | 10–12% | 100% | Retail bagged product, visual premium grades |
| Compacted Granules | 2–4 mm oval granule | 40% min | 2–5% | 80% min | Base fertilizer, blending, broadcasting |
| Round Granule | 2–4 mm round granule | 40% min | 2–5% | 80% min | Base fertilizer, mechanised sowing |
Soluble grades (powder, flakes, crystal) dissolve for fertigation, foliar and liquid production. Granular grades (compacted, round) are built for soil placement, blending and mechanised sowing. Every grade ships with a batch COA and the same heavy-metal declaration (Pb, As, Hg, Cd, Cr below detection, GB 18877).
Applications & Dosage
A premium soluble grade — used where specification or presentation matters:
| Application | How to use | Rate |
|---|---|---|
| Premium retail packing | Pack into retail bags or clear containers where the material is seen before purchase. | per pack size |
| Fertigation and drip | Dissolve and inject. Filter as normal practice given the small insoluble fraction. | 2–5 kg/ha per application |
| Foliar application | Dissolve fully and filter before filling the sprayer. | 0.5–1.5 kg/ha |
| Liquid fertilizer production | Use as the humic component where a high-analysis material supports the product claim. | 5–15% of formulation |
| Distributor demonstration | A clean, complete dissolution makes an effective demonstration to growers and dealers. | per requirement |
| High-value crop programmes | Apply on fruit, vegetables and ornamentals where return justifies a premium input. | 3–8 kg/ha |
Packaging & Storage
| Pack size | Description |
|---|---|
| 1 kg / 5 kg / 10 kg | Printed aluminium foil bag — retail and sample size |
| 20 kg / 25 kg | Woven PP bag with inner PE liner — standard export packing |
| 1000–1100 kg | Jumbo bag with discharge spout, 4 lifting loops |
| Custom | Private-label printed bag, OEM specification, retail sizes on request |
Storage: Store in a cool, dry, ventilated place, sealed and off bare concrete. At 12% maximum moisture this is our least hygroscopic soluble grade and it stores well, but it will still pick up moisture if left open in humid conditions. Under dry conditions the crystal is stable for years with no loss of appearance, analysis or solubility. Shelf life: 24 months in original, unopened packaging.
Custom packaging, private-label printing and OEM specifications are available on request. Packaging photos are available in the product gallery.
Successful Cases
Distributor, Middle East
Sells into a market where buyers inspect material at the point of sale and price is agreed after looking at the product. Reports that the crystal consistently outperforms cheaper matte grades in that setting — the demonstration jar dissolves cleanly and dark, and buyers associate the appearance with quality. Sells at a premium and keeps the margin.
Explore potassium humate applications → Agriculture · Premium SolubleBerry producer, Mexico
Uses 1–2 mm crystal through drip on strawberries at 3 kg/ha per cycle. Chose it for the analysis rather than the appearance: at 65% humic acid and 12% maximum moisture, their cost per unit of applied humic acid worked out below the standard flake once freight was included.
Explore potassium humate applications →Full case studies with crop data are published in our application sectors.
Frequently Asked Questions
Why is it only 97% soluble when other grades are 100%?
The crystal is a less heavily processed material than the fully solubilised powder, so a small fraction (up to 3%) remains undissolved. It is normal for this grade, it is stated on the specification, and it is harmless in soil or in any properly filtered system. If you need absolute 100% solubility with zero residue, use the powder grade.
Should I buy 1–2 mm or 2–4 mm?
1–2 mm dissolves faster and looks finer and more uniform in a small retail pack. 2–4 mm handles more easily in bulk and has stronger visual impact in a large container or a demonstration jar. For fertigation and plant use, 1–2 mm is usually the practical choice; for retail presentation, 2–4 mm is often preferred.
Is the shine natural?
Yes — it is a property of the crystal structure produced under our process conditions, not a coating or an additive. That matters, because some ‘shiny’ humates on the market are surface-treated, and the lustre disappears once the material is handled or dissolved. Ours does not.
How does the price compare on humic acid content?
Per tonne it is more expensive. Per kilogram of actual humic acid the gap is much smaller, because you are getting 65% against 60% and 12% moisture against 15% — you buy less water and more active material, and you pay freight on less water too. We are happy to run the numbers against your landed cost.
Will it work through drip irrigation?
Yes, with normal filtration. Dissolve fully in a stock tank, allow any minor residue to settle, and filter as standard practice. Growers running fine emitters sometimes prefer the fully soluble powder for that reason, and we will recommend it if your filtration is marginal.
Need a quotation or a sample?
Tell us your application, target market and packaging — we will come back with specification, price and lead time.
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