Effortlessly Adjust Your System's pH with Hygen pH Up

Hygen pH Up is a premium pH adjustment solution designed to easily increase the pH levels of your hydroponic, aquaponic, or pond system. Comprised of Potassium Hydroxide (400g/L), it is available in 250ml, 1L, and 5L bottles to suit your specific needs. Ideal for providing your plants with the perfect growing environment, Hygen pH Up ensures optimal nutrient uptake and overall plant health.

Features and Benefits

  • Effective pH Adjustment: Hygen pH Up accurately increases pH levels in your system to create the perfect growing environment for your plants.
  • Simple to Use: Just dilute Hygen pH Up in water and add the solution to your system according to the recommended dosage.
  • Wide Applications: Suitable for use in hydroponic, aquaponic, and pond systems, providing versatility and flexibility for growers.
  • Rich in Potassium: The Potassium Hydroxide content not only helps adjust pH levels but also provides essential potassium for plant growth.
  • Various Sizes Available: Choose from 250ml, 1L, or 5L bottles to meet your specific requirements and preferences.

How to Use

  1. Shake the Hygen pH Up bottle well before use to ensure an even distribution of the solution.
  2. Measure the current pH level of your hydroponic, aquaponic, or pond system.
  3. Dilute the required amount of Hygen pH Up in water. Typically, approximately 1mL of Hygen pH Up per 25L of water will raise the pH by one unit (e.g., from 5.5 to 6.5).
  4. Add the diluted solution to your system, mixing thoroughly to disperse the solution evenly.
  5. Allow the solution to circulate for at least 15 minutes, then re-test the pH level and adjust as needed.

Aqua Gardening Suggests These are Best For

Hygen pH Up is best suited for hydroponic, aquaponic, and pond system owners looking to maintain the ideal pH range for their plants. It is also beneficial for those who require additional potassium in their systems. This product is perfect for both hobbyists and professional growers who want consistent results and optimal plant health.

Notes from Aqua Gardening

  • Always dilute Hygen pH Up in water before adding it to your system to avoid potential over-correction or equipment damage.
  • Keep out of reach of children and store in a cool, dry place away from direct sunlight.
  • Wear suitable protective clothing, gloves, and eye/face protection when handling Hygen pH Up, as the solution is highly alkaline and can cause irritation or harm if not used properly.

Note - Hygen pH up is not available for shipping as it is a Dangerous Good. We sell dangerous goods for Click and Collect only. For pH Up that can be sent via regular shipping methods without extra charge, please click here.


What exactly is Hygen pH Up and what is it made of?

Hygen pH Up is a solution designed to raise the pH levels in your growing system, pond or aquaponic setup. It is made of Potassium Hydroxide, containing 400g/L.

How do I use Hygen pH Up to adjust the pH in my system?

To use Hygen pH Up, first dilute it in water before adding it to your system. Approximately 1mL of Hygen pH Up per 25L of water will raise the pH by one unit, for example from 5.5 to 6.5. You can use a pipette to add smaller amounts if required.

Can I use this product for seed propagation?

Yes, Hygen pH Up is suitable for seed propagation. Ensure that the pH is at 5.5 during the propagation process for optimal results.

Is Hygen pH Up suitable for use in aquaponic systems or ponds?

Yes, Hygen pH Up can be used in both aquaponic systems and ponds. It not only helps regulate the pH, but also adds essential potassium to the system for plant health. Remember to dilute the product in a bucket of the pond or system water before adding it.

What sizes are available for Hygen pH Up?

Hygen pH Up is available in three different sizes: 250ml, 1 litre, and 5 litres.

How often should I use Hygen pH Up?

Usage frequency depends on the specific requirements of your system. Regularly monitor your pH levels and adjust the amount of Hygen pH Up accordingly to maintain the desired pH range.

Still Unsure if This Product is Right for You?

  • Submit a question via the Reviews & Questions tab on this page, and our team will respond to you
  • Login to check your Aqua Gardening Member Price
  • Book a free Consult with the Aqua Gardening team here
  • Still Overwhelmed? Start your Gardening Journey with a free eBook here

(SKU: 124254)

Shipping Calculator

Enter the quantity of product and your Australian suburb name to calculate the shipping costs for multiples of this item only. You can calculate the shipping costs for your entire order, including international orders, on the Cart Page.

Shipping Dimensions & Weight

Dimensions: 0.17m (Length) x 0.05m (Width) x 0.05m (Height)

Weight: 0.4kg

Free Shipping Eligibility

Aqua Gardening offers free shipping on most orders above $249 that are not bulky items.  Once you place all the items you wish to buy in the cart, the combined shipping price will be shown in the cart, including Free Shipping if you are eligible. For full details please see our free shipping eligibility here.

Delivery Information

Back Order products

These are products we usually carry in stock but are temporary out of stock. These products will be back in stock within a few days. We can send you an email notification when they are back in stock if you click on the “Notify me when back in stock” link. See the full details here.

Click & Collect Only products

These products can only be collected from our Brisbane showroom as we can not ship them. If you place any of these products in your cart, you will only see the Click & Collect option at the checkout.

Fast Dispatch products

These are products that we have in stock in our Brisbane showroom, and they are available for immediate Click & Collect or Shipping. Keep in mind that if you have a product which is not listed as a Fast Dispatch product in your cart, there might be a delay on your order. See the full details here.

Special Order products

Special Order products are products that we do not regularly stock. These products will be ordered specially for you, or dispatched directly to you from our supplier. See the full details here.

Ship-To-Store products

Products marked with ship-to-store can still be shipped to us to collect in-store! Simply check out with the shipping address: 3/4 Billabong Street, Stafford, QLD, 4053. Once your order arrives, we’ll email you to let you know that it is ready to collect.


Limited Warranty - This product has been stored in a controlled environment to ensure you will receive the best quality product possible. Due to this reason this product is sold on a strict no refund or return policy, unless it falls under a warranty claim.


60 Day Returns - Not available for this product, please contact us if you have any issues. More details...