Potassium Hydroxide (KOH) 99% Flakes UAE — The Ultimate pH Up, Soap Making & Industrial Alkaline Solution

Potassium Hydroxide (KOH) 99% Flakes — also known as caustic potash, potassium lye, and KOH flakes — is the most powerful and versatile alkaline chemical available in the UAE. Whether you’re searching for the best pH Up solution for hydroponics, a pharmaceutical-grade base for liquid soap making, a reliable reagent for water treatment, or a heavy-duty chemical for industrial cleaning in Dubai, Abu Dhabi, or Sharjah — our KOH 99% delivers unmatched purity, performance, and value.

UAE Hydroponics is your trusted, locally stocked supplier of Potassium Hydroxide in the UAE, with same-day and next-day delivery across all 7 emirates. No imports, no delays — just professional-grade KOH, in stock and ready to ship.

What Is Potassium Hydroxide (KOH)? — Full Explanation

Potassium Hydroxide (KOH), commonly called caustic potash, is a strong inorganic base with the chemical formula KOH and CAS number 1310-58-3. It belongs to the family of alkali metal hydroxides, alongside Sodium Hydroxide (NaOH/caustic soda). KOH is available commercially in flake, pellet, powder, and solution forms. Our product is supplied as 99% pure white flakes — the highest purity grade available for buyers in the UAE.

KOH dissolves rapidly and exothermically in water, producing a highly alkaline solution with a pH of approximately 13.5. This makes it one of the most effective pH-raising agents available. It is widely used across hydroponics and agriculture, soap and cosmetics manufacturing, chemical synthesis, biodiesel production, water treatment, food processing, and laboratory research.

Why Do You Need Potassium Hydroxide? — All The Reasons

Potassium Hydroxide solves a critical problem across multiple industries: the need for a fast, reliable, high-purity alkaline agent that raises pH, drives chemical reactions, saponifies oils, neutralises acids, and cleans industrial surfaces — all in one product. Here’s why thousands of UAE customers rely on our KOH 99%:

• Hydroponic growers need precise pH control to unlock nutrient availability. pH that’s too low or too high locks out iron, calcium, and phosphorus, causing deficiencies and poor yields.
• Soap makers need pharmaceutical-grade KOH as the saponification agent — without it, liquid soap and shampoo simply cannot be made.
• Water treatment facilities across the UAE and Gulf need a safe, effective alkaline agent to neutralise acidic wastewater before discharge.
• Biodiesel producers rely on KOH as the catalyst for transesterification reactions.
• Industrial and commercial cleaners need a powerful degreaser for heavy-duty surface and drain cleaning.
• Laboratories and researchers in Dubai’s industrial zones require consistent, certified-purity KOH for chemical synthesis and analysis.

8 Powerful Uses of KOH Flakes — Complete Guide

• ✅ pH Up for Hydroponics & Aquaponics — KOH is the #1 choice for raising nutrient solution pH in hydroponic systems. Dissolve a small amount in RO or distilled water to create a stock solution, then add drop by drop until your target pH of 5.5–6.5 is reached. Because potassium is a plant macronutrient, every drop of KOH adds beneficial potassium (K) to your reservoir — unlike sodium hydroxide (NaOH), which introduces harmful sodium that builds up in roots over time.
• ✅ Liquid Soap & Soft Soap Making — KOH is the only saponification agent that creates liquid soaps, soft soaps, cream soaps, shampoos, and body washes. When KOH reacts with vegetable oils (coconut, olive, castor), it produces soft potassium soap — the kind in pump dispensers and tubes. NaOH produces hard bar soap; KOH produces soft, pourable liquid soap. If you’re a soap maker in the UAE, this is non-negotiable.
• ✅ Water Treatment & Wastewater Neutralisation — KOH effectively neutralises acidic industrial wastewater, balancing pH before safe discharge into municipal systems. It is used in water treatment plants across the UAE and Gulf region, as well as swimming pool chemistry and industrial effluent management.
• ✅ Biodiesel Production — KOH acts as the alkaline catalyst in biodiesel transesterification reactions, converting vegetable oils and waste cooking oils into renewable biodiesel fuel. It is slightly more efficient than NaOH by mass for this application and produces less glycerine byproduct per batch.
• ✅ Industrial Cleaning & Degreasing — Concentrated KOH solutions cut through fats, grease, proteins, and organic deposits on industrial surfaces, processing equipment, drains, and pipelines. It is used in food processing plants, refineries, and manufacturing facilities throughout the UAE.
• ✅ Chemical Synthesis & Laboratory Research — KOH is a fundamental reagent in chemical synthesis, esterification, etching, saponification value analysis, and acid-base titrations. Laboratories and R&D facilities in Dubai, Sharjah, and Abu Dhabi industrial zones rely on consistent-purity KOH for reproducible results.
• ✅ Food Industry Applications — Food-grade KOH (E525) is approved for use in food processing applications including curing olives, making traditional pretzels and bagels, processing cocoa, and as a pH regulator in certain beverages and foods.
• ✅ Battery Electrolyte & Fuel Cells — KOH solution (typically 20–40%) is used as the electrolyte in alkaline batteries, nickel-metal hydride (NiMH) cells, and hydrogen fuel cells due to its high ionic conductivity and electrochemical stability.

KOH vs NaOH — Which Should You Buy?

This is the most common question from UAE buyers. Here is the definitive answer:

• For Hydroponics (pH Up): Always choose KOH. Potassium is a critical macronutrient (the “K” in NPK). Every drop of KOH-based pH Up adds beneficial potassium to your nutrient reservoir. Sodium from NaOH is toxic to plants at elevated concentrations, causing root burn and nutrient lockout over time. KOH is the professional hydroponics choice — used in commercial farms and research facilities worldwide.
• For Liquid Soap: Always choose KOH. NaOH (caustic soda) makes hard bar soap. KOH makes soft, liquid, and cream soaps. No substitution is possible.
• For Industrial Cleaning & Water Treatment: Both work, but KOH is preferred in applications where sodium contamination must be minimised.
• For Biodiesel: Both work. KOH is slightly more active per gram, so less is needed.

How to Use KOH Flakes as pH Up for Hydroponics — Step-by-Step

1. Prepare your stock solution: Dissolve 10g of KOH flakes in 1 litre of RO or distilled water in a dedicated plastic or glass container. ALWAYS add KOH to water — never add water to KOH. The dissolution is exothermic (generates heat). Let it cool before use. This gives you a ~1% stock solution suitable for most hydroponic systems.
2. Test your reservoir pH first: Use a calibrated digital pH meter (not strips). Record your starting pH.
3. Add stock solution gradually: Using a syringe or dropper, add your KOH stock solution drop by drop to the nutrient reservoir while stirring or running the pump. Never pour it in all at once.
4. Retest after each addition: Wait 30–60 seconds and recheck pH after each addition. pH meters can lag slightly — always wait for a stable reading.
5. Target pH range: For most leafy crops (lettuce, basil, spinach): 5.8–6.2. For fruiting crops (tomatoes, peppers, cucumbers): 6.0–6.5. For cannabis/hemp: 5.8–6.0.
6. UAE climate adjustment: In UAE summers (40–50°C ambient temperatures), pH drift is accelerated — check your reservoir pH twice daily and make micro-adjustments as needed.
7. Storage of stock solution: Store in a labelled, sealed container away from heat and sunlight. Use within 30 days for best accuracy.

Safety Guidelines — MUST READ Before Using KOH

Potassium Hydroxide is a CORROSIVE substance (UN 1813, Hazard Class 8). Improper handling causes severe chemical burns to skin, eyes, and respiratory tract. Follow these safety guidelines every single time:

• 🧤 Chemical-Resistant Gloves: Wear nitrile or neoprene gloves at all times. Standard latex gloves do NOT provide adequate protection.
• 🥽 Safety Goggles: Wear sealed chemical splash goggles — not regular glasses. A single drop of concentrated KOH can cause permanent eye damage.
• 🥼 Protective Clothing: Wear a lab coat or long-sleeved clothing. KOH can penetrate light fabrics quickly.
• 💨 Ventilation: Work in a well-ventilated area. Dissolving KOH releases heat and steam — avoid inhaling vapours.
• 🚿 First Aid — Skin Contact: Flush immediately with large quantities of running water for at least 15–20 minutes. Remove contaminated clothing. Seek medical attention if irritation persists.
• 👁️ First Aid — Eye Contact: Flush immediately with large quantities of water for at least 20 minutes. Seek immediate medical attention — do not delay.
• 🍽️ No Food or Drink: Never eat, drink, or smoke while handling KOH.
• 🧒 Keep Away from Children: Store in a locked cabinet out of reach of children and pets.
• 🧪 Incompatibilities: Keep away from acids (will react violently), organic solvents, and moisture. Store in a sealed, airtight container in a cool, dry location.
• 📄 SDS Available: A full Safety Data Sheet (SDS) is included with every order. Read it before first use.

KOH Chemical Properties & Technical Specifications

• Chemical Name: Potassium Hydroxide
• Chemical Formula: KOH
• CAS Number: 1310-58-3
• Synonyms: Caustic Potash | Potassium Lye | Potassium Hydrate | Lye (potassium-based) | KOH Flakes
• Purity: ≥99% (pharmaceutical/technical grade)
• Form: White Flakes
• Molecular Weight: 56.11 g/mol
• pH (1% aqueous solution): ~13.5
• Solubility: Highly soluble in water (exothermic dissolution); soluble in methanol and ethanol
• Melting Point: 360°C
• UN Number: UN 1813
• Hazard Class: Class 8 — Corrosive
• Packaging: Sealed, moisture-proof 1 kg bag

Why Buy Potassium Hydroxide from UAE Hydroponics?

We are not a generic chemical marketplace. We are a UAE-based hydroponics and agricultural supplies company that carefully sources, tests, and packages every product we sell. Here’s what makes us different:

• 🏆 99% Pharmaceutical-Grade Purity: Not all KOH is equal. Low-purity KOH contains impurities that affect saponification ratios in soap making, distort pH corrections in hydroponics, and reduce effectiveness in industrial applications. Ours is tested to ≥99% every batch.
• 📦 Always In Stock — UAE Local Inventory: We hold physical inventory in the UAE. No waiting weeks for international imports. Order today, receive tomorrow.
• 🚚 Fast Delivery to All 7 Emirates: Same-day and next-day delivery available to Dubai, Abu Dhabi, Sharjah, Ajman, Ras Al Khaimah, Fujairah, and Umm Al Quwain.
• 💰 Best Price in UAE: AED 99.95/kg for pharmaceutical-grade KOH. Bulk pricing and wholesale available — contact us for volume orders.
• 🔐 Moisture-Proof Sealed Packaging: KOH is hygroscopic — it absorbs moisture from air and degrades rapidly if improperly stored. Our bags are sealed and moisture-proof to guarantee shelf life and performance.
• 🧑‍🔬 Expert Technical Support: Our team includes hydroponic specialists and chemical professionals who can advise on the right dilution ratios, application rates, and safety practices for your specific use case.
• 🌿 Trusted by UAE Growers, Soap Makers & Industry: Over 25 verified reviews from real UAE customers. Rated 4.2/5 stars.

Where to Buy Potassium Hydroxide (KOH) in UAE?

UAE Hydroponics is one of the leading Potassium Hydroxide suppliers in Dubai and across the UAE. We supply KOH 99% flakes to hydroponic growers, soap makers, cosmetics formulators, biodiesel producers, laboratories, industrial users, and commercial farms throughout the Emirates. Order online now for fast UAE delivery, or contact us via WhatsApp for bulk orders, wholesale pricing, and technical support. We deliver to Dubai, Abu Dhabi, Sharjah, Ajman, Ras Al Khaimah, Fujairah, and all UAE locations.

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