Humboldts Secret
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Humboldts Secret pH Up for Plants | Hydroponics and Soil pH Adjustment | Concentrated Potassium Hydroxide Formula | Raises Nutrient Solution Levels for Strong Root Growth and Stability | 2.5 Gallon
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Humboldts Secret pH Up for Plants | Hydroponics and Soil pH Adjustment | Concentrated Potassium Hydroxide Formula | Raises Nutrient Solution Levels for Strong Root Growth and Stability | 2.5 Gallon
Maximize nutrient uptake and yield with just a few drops for outstanding output at minimal cost!
Humboldts Secret pH Up for Plants | Hydroponics and Soil pH Adjustment | Concentrated Potassium Hydroxide Formula | Raises Nutrient Solution Levels for Strong Root Growth and Stability | 2.5 Gallon
Item #: 77002196

Humboldts Secret pH Up for Plants | Hydroponics and Soil pH Adjustment | Concentrated Potassium Hydroxide Formula | Raises Nutrient Solution Levels

90% of respondents would recommend this to a friend

Item #: 77002196

SLE 3020

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Maximize nutrient uptake and yield with just a few drops for outstanding output at minimal cost!
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What Stands Out

pH Stabilization
Effectively stabilizes pH levels in both hydroponic and soil environments, ensuring optimal nutrient absorption and plant health for vibrant growth.
1 Gallon Size
Generous 1-gallon size provides long-lasting use for multiple applications, making it a cost-effective solution for both hobbyists and commercial growers.
Versatile Use
Perfect for a wide range of plants, ideal for gardeners looking to enhance their cultivation practices, whether in hydroponics or traditional soil setups.

Product Details

Shop pH Up for plants to stabilize nutrient & optimize pH levels. Improve plant health with our Hydroponic pH Up. Available in 32 ounces at Ubuy Sierra Leone.
Brand NameHumboldts Secret
Global Trade Identification Number00850058984100
ManufacturerHumboldts Secret
Number of Items1
UPC850058984100
Unit Count320 Fluid Ounces
Part NumberHSSPHUP
Item FormLiquid
Specific Uses For ProductPlant Growth, Soil, Water, Hydroponic Systems, Coco Cultivations, DWC Systems
CoverageMedium
Target Speciesplants
Liquid Volume2.5 gallons
BrandHumboldts Secret
Item Weight20 lbs (9.07 kg)

Dangerous Goods

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

Who Should Buy?

Suitable For
  • Hydroponic Growers

    Ideal for hydroponic systems needing precise pH control to optimize nutrient uptake in water.

  • Soil Gardeners

    A valuable addition for soil gardeners looking to maintain appropriate pH levels for healthy plant growth.

  • Plant Enthusiasts

    Beneficial for hobbyists who monitor pH regularly to ensure optimal conditions for various plant types.

Not Suitable For
  • Passive Management

    Not suitable for users who prefer a hands-off approach to plant care and don’t monitor pH levels.

Product Description

Humboldts Secret pH Up for Plants | Hydroponics and Soil pH Adjustment | Concentrated Potassium Hydroxide Formula | Raises Nutrient Solution Levels for Strong Root Growth and Stability | 2.5 Gallon

Dietary Supplement Disclaimer

Statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition.


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Customer Questions & Answers

  • Question: What is Humboldts Secret pH Up, and how does it work?

    Answer: Humboldts Secret pH Up is a hydroponic solution designed to raise the pH level of nutrient solutions for plants. When growing plants, especially in hydroponics, maintaining the right pH is crucial for nutrient absorption. This product helps stabilize nutrient levels and prevents common issues like nutrient lockout, where plants fail to absorb essential elements due to improper pH levels. For instance, if your water sits at a lower pH, adding pH Up adjusts it, ensuring that your plants thrive.
  • Question: How do I use Humboldts Secret pH Up correctly?

    Answer: To use Humboldts Secret pH Up, start by measuring the current pH level of your nutrient solution. Gradually add the product to your solution while continuously stirring and checking the pH levels until you achieve your desired pH. It's crucial to add it slowly to prevent overshooting the target range. For example, if the pH is too low, add a small amount and measure again—this method helps you maintain control over your nutrient solution's balance.
  • Question: Why is pH important for plant health?

    Answer: pH levels significantly impact nutrient availability to plants. Each nutrient has an ideal pH range for optimal absorption; if your solution is too acidic or alkaline, plants may struggle to access essential nutrients, leading to deficiencies. For instance, a pH level below 5.5 can hinder iron absorption, causing chlorosis in plants. Adjusting pH with products like Humboldts Secret pH Up ensures your plants remain healthy and productive, helping you achieve better yields.
  • Question: Can I use pH Up in soil gardening?

    Answer: While Humboldts Secret pH Up is primarily formulated for hydroponics, it can also be beneficial in soil gardening scenarios. If your soil's pH is too low, this product can help adjust the pH upwards to create a more balanced environment for your plants. However, soil often buffers pH levels differently, so it's essential to test the soil pH regularly and make adjustments gradually, avoiding drastic changes that could harm your plants.
  • Question: What is the recommended pH level for plant growth?

    Answer: The optimal pH level for most hydroponic plants ranges from 5.5 to 6.5. Within this range, most essential nutrients become available for absorption. For example, leafy greens thrive around 6.0, while fruiting plants may prefer slightly higher levels closer to 6.5. By using Humboldts Secret pH Up to maintain the right pH, you can help ensure efficient nutrient uptake, promoting healthier and more vigorous plant growth.
  • Question: Are there any precautions I should take when using pH Up?

    Answer: Yes, there are several precautions to consider when using pH Up. Always wear gloves and eye protection to avoid irritation from the concentrated solution. Additionally, store the product in a cool, dry place away from light to maintain its effectiveness. When adjusting pH, add the solution slowly and test frequently to avoid overshooting. This method allows for precise control and helps prevent damage to your plants from extreme pH shifts.
  • Question: How often should I test pH levels when using pH Up?

    Answer: When using Humboldts Secret pH Up, it's beneficial to test pH levels regularly—ideally at least once a week or whenever you change your nutrient solution. Environmental factors like temperature, humidity, and plant growth stages can affect pH levels. If you notice nutrient deficiencies or sluggish growth, increased testing may be warranted to maintain optimal conditions. Regular monitoring provides insights into how your plants respond, allowing for timely adjustments.
  • Question: Can I mix pH Up with other nutrients?

    Answer: Yes, Humboldts Secret pH Up can be mixed with other nutrient solutions. However, it’s recommended to adjust the pH of your solution first before adding other nutrients. This approach ensures a more stable environment for nutrient absorption and prevents any potential chemical reactions that could reduce effectiveness. For example, adjust pH first, then add essential nutrients, ensuring they remain bioavailable for your plants.
  • Question: Is Humboldts Secret pH Up suitable for all types of plants?

    Answer: Humboldts Secret pH Up is generally suitable for a wide range of plants, particularly those grown in hydroponic systems. However, different plants may have specific pH preferences, so it's essential to research the ideal pH levels for the plant species you are growing. For example, cannabis plants may thrive at a higher pH than leafy greens, so adjusting based on the specific requirements can lead to better health and yield.
  • Question: Where can I buy Humboldts Secret pH Up in Sierra Leone?

    Answer: You can purchase Humboldts Secret pH Up from Ubuy, a reliable online retail platform that offers a wide range of gardening and hydroponic supplies. Ubuy ensures a convenient shopping experience with a comprehensive selection and competitive prices, making it easier for you to find the products you need for your plant care. Simply visit Ubuy's website and search for Humboldts Secret pH Up to make your purchase.

Humboldts Secret Nutrients & Additives Editorial Review

The Humboldts Secret pH Up is a popular choice among hydroponic enthusiasts for stabilizing nutrient levels and optimizing plant pH. Users have found this product easy to use, thanks to its clear instructions. It effectively does what it is supposed to do, all while being offered at a fair price. Some customers have noted that a hydroponic system is incomplete without this pH stabilizer, emphasizing its importance in maintaining plant health. Despite some issues with packaging reported by a few users, overall, the product has garnered positive feedback for its effectiveness. Users have observed that their plants respond well to this pH adjuster, often preferring it over other brands in the market. In conclusion, the Humboldts Secret pH Up is a reliable choice for those looking to optimize nutrient pH levels in their hydroponic systems. Its ease of use, effectiveness, and plant-friendly qualities make it a standout product in the realm of plant care. **

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Pros

  • Easy to use with clear instructions
  • Fair price point
  • Effective at stabilizing nutrient pH levels
  • Preferred by plants over other brands

Platform Trust & Buyer Confidence

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4.2/5 9250 + reviews
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MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
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kund
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
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Onesi
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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Features & Benefits

  • Increases nutrient absorption and optimizes pH levels.
  • Concentrated solution requires only a few drops for maximum effectiveness.
  • Cost-effective, delivering outstanding results with minimal gardening investment.
  • Made with high-quality, clean ingredients - 100% dye-free and additives-free.
  • Versatile for various growth environments including hydroponics, soil, and coco cultivations.
  • Developed by expert growers, ensuring efficacy and potency for your plants.

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