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

Item #: 14798923

RWF 44994

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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 Rwanda!
  • 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
Brand NameNilocG Aquatics
Number of Packs1
ManufacturerNilocG Aquatics
UPC702921923610
Number of Items1
Global Trade Identification Number00810122821038
Liquid Volume500 ml
Item FormLiquid
Pet TypeFish
Target SpeciesFish and Plants
Package Dimensions 8.3 x 3.15 x 3.15 inches (21.1 x 8 x 8 cm); 1.7 pounds (770 grams)
BrandNilocG Aquatics

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

The NilocG Aquatics REKHARB Liquid KH Booster is designed to increase the carbonate hardness (KH) and pH levels in aquariums. According to the FAQs, the product is evenly distributed in the bottle, ensuring that it is not more concentrated at the bottom. One customer asked if the product alters the pH of the aquarium, to which the company representative responded that increasing the KH will also increase the pH. Another customer inquired if continuous adjustment of the KH is needed, and the representative advised adding it to the water during water changes to match the KH of the tank. Another customer wondered how much the product would raise the pH. The representative explained that adding KH will tend to raise the pH, but the exact amount depends on other variables in the tank. They recommended adding it slowly if pH stability is a concern. Overall, customers seem satisfied with the performance of the NilocG Aquatics REKHARB Liquid KH Booster. The product effectively increases KH and pH levels, providing a suitable environment for aquatic life.

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Pros

  • Even distribution of the product in the bottle.
  • Increases carbonate hardness and pH levels.
  • Advice on adjusting KH during water changes.
  • Provides suitable environment for aquatic life.

Cons

  • Impact on pH levels can vary depending on other tank variables.

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“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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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

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RWF 44994

Order now and get it around Saturday, September 12

QTY:

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Our Top Logistics Partners
  • fedex
  • dhl
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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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