NilocG Aquatics
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NilocG Aquatics | REKHARB | Liquid KH Booster 500ml
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NilocG Aquatics | REKHARB | Liquid KH Booster 500ml
Specially formulated to safely increase carbonate hardness(KH) in planted tanks.
NilocG Aquatics | REKHARB | Liquid KH Booster 500ml
Item #: 14798923

NilocG Aquatics | REKHARB | Liquid KH Booster 500ml

85% of respondents would recommend this to a friend

Item #: 14798923

AUD 51

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Order now and get it around Sunday, October 11
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Specially formulated to safely increase carbonate hardness(KH) in planted tanks.
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What Stands Out

Enhanced KH Levels
Effectively boosts carbonate hardness in aquatic systems, promoting stable pH levels and healthier environments for fish and plants, ensuring optimal water quality.
Easy Application
Designed for straightforward dosing with a liquid form, simplifying the process for both beginners and experienced aquarists managing their aquarium water chemistry.
High-Quality Formula
Crafted with premium ingredients to ensure safety and efficacy, providing reliable results that enhance the overall well-being of aquatic life in your aquarium.

Product Details

Get the specially formulated ReKHarb Liquid KH Booster from NilocG Aquatics to safely increase carbonate hardness(KH) in planted tanks. Each pump raises KH by 2.8 degrees per 4 gallons. Grab yours now at Ubuy Tuvalu!
  • Specially formulated liquid KH booster for planted tanks
  • 1 pump (2ml) per 4 gallons raises KH by 2.8 degrees (1meg/l)
  • This dose adds 40ppm (mg/l) potassium
  • Safely increases carbonate hardness (KH)
  • Recommended KH level of 3-6 degrees
  • Contains 500ml of liquid KH booster
BrandNilocG Aquatics
Liquid Volume500 ml
Item FormLiquid
Number of Packs1
ManufacturerNilocG Aquatics
Item Weight1.1 lbs (500 grams)

Who Should Buy?

Suitable For
  • Aquarium Enthusiasts

    Perfect for aquarium hobbyists needing to stabilize carbonate hardness in freshwater or saltwater tanks.

  • New Tank Setups

    Great for those setting up new aquariums to establish optimal water conditions quickly.

  • Soft Water Species

    Ideal for keeping soft water fish and plants thriving by maintaining appropriate KH levels.

Not Suitable For
  • Hard Water Environments

    Not suitable for aquariums with naturally high KH levels that don't require supplementation.

Product Description

NilocG Aquatics | REKHARB | Liquid KH Booster 500ml

About This Item

Are you struggling to maintain the carbonate hardness (KH) levels in your planted tank? Look no further, because the NilocG Aquatics | REKHARB | Liquid KH Booster 500ml is specially formulated to increase the KH levels safely and effectively. With just 1 pump (2ml) per 4 gallons of water, this KH booster raises the KH levels by 2.8 degrees (1meg/l). This precise dosage ensures that you can easily maintain the perfect carbonate hardness levels in your aquarium. Not only does it increase the KH levels, but it also adds 40ppm (mg/l) of potassium, promoting healthy plant growth. A KH range of 3-6 degrees is highly recommended for planted tanks, and the REKHARB | Liquid KH Booster is here to help you achieve that ideal range.

This 500ml bottle provides you with an ample supply to keep your aquarium's carbonate hardness levels in check for a long time. Say goodbye to fluctuating KH levels and hello to a thriving planted tank with the REKHARB NilocG Aquatics | Liquid KH Booster. Trust the REKHARB brand, known for its high-quality aquarium products. This liquid solution is specifically designed for fish tanks, ensuring the well-being of your aquatic pets. Maintaining the alkalinity and carbonate hardness levels in your planted tank has never been easier.

Add the REKHARB Liquid KH Booster to your cart now and see the difference it makes in the health and appearance of your aquarium.

Have any Query? Chat with us

Customer Questions & Answers

  • Question: How much ReKHarb Liquid KH Booster should I use per gallon?

    Answer: Use 1 pump(2ml) per 4 gallons to raise KH by 2.8 degrees.
  • Question: Does ReKHarb Liquid KH Booster add any other nutrients to the planted tank?

    Answer: Yes, each dose adds 40ppm of potassium.
  • Question: What KH level is recommended for planted tanks?

    Answer: A KH of 3-6 degrees is suggested.
  • Question: Is the product even dissolved in the bottle? or will it be more concentrated at the bottom of the bottle?

    Answer: It should be evenly distributed.
  • Question: Does this product alter the pH of the aquarium? Or does it only increase the KH?

    Answer: Anytime you increase KH, you will also increase pH. It is not possible to increase KH without also increasing pH.
  • Question: After KH is adjusted, does it need to be continuously adjusted?

    Answer: Most likely, yes. You will need to add some to the water change water to bring the KH of the water to match your tank KH.
  • Question: How much will this product raise pH?

    Answer: Adding KH will tend to raise pH, but the exact amount in each tank is hard to determine as it depends on other variables. It is recommended to add it slowly if pH is a concern.

NilocG Aquatics Aquarium Water Treatments Editorial Review

NilocG Aquatics | REKHARB | Liquid KH Booster 500ml is expertly formulated to support both fish and plant health in aquariums. This liquid booster comes in a convenient 500 ml bottle and is particularly beneficial for maintaining water hardness levels, essential for aquatic life. Users have praised its effectiveness in stabilizing pH levels, which is crucial for the wellbeing of both fish and plant species. With its easy application, the KH booster integrates seamlessly into your aquarium routine, ensuring a thriving aquatic environment. Whether you are a beginner or a seasoned aquarist, this product enhances your water quality significantly, creating a balanced ecosystem.

Customer Reviews & Ratings

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Pros

  • Effective in stabilizing pH levels
  • Supports both fish and plant health
  • Easy application for aquarium maintainers
  • Convenient 500 ml liquid form
  • Well-reviewed by aquarium enthusiasts

Cons

  • Might take time to see noticeable changes

Platform Trust & Buyer Confidence

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4.2/5 9477 reviews
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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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Anke
Verified buyer

“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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Hazel
Verified buyer

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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Opaleye
Verified buyer

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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Adele
Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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AUD 51

Order now and get it around Sunday, October 11

QTY:

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Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • 1 pump(2ml) per 4 gallons raises KH 2.8 degrees(1meg/l)
  • This dose adds 40ppm(mg/l) potassium
  • A KH of 3-6 degrees is suggested

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