Water tester
Oase Refill Set GH/KH
Water Test for General Hardness & Carbonate Hardness
- Refill set for measuring general hardness (GH) and carbonate hardness (KH) in pond water, suitable for Oase AquaActiv water test systems
Lieferzeit ca. 10–14 Werktage
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Oase Refill Set GH/KH – Water Test for General Hardness & Carbonate Hardness
Details
All About the Product
Product description
Oase Refill Set GH/KH – Water test for general hardness & carbonate hardness
The Oase Refill Set GH/KH is an original replacement for the Oase AquaActiv water test system and enables the precise measurement of general hardness (GH) and carbonate hardness (KH) in pond water.
Water hardness is crucial for the biological balance in the pond. While the GH describes important minerals in the water, the KH ensures stable pH values and protects against dangerous fluctuations.
With this refill set, you can keep an eye on water quality at all times and ensure a healthy environment for fish and plants.
Who is it suitable for
- Koi pond owners and fish keepers
- Pond owners with sensitive water values
- Users of the Oase AquaActiv test system
- Beginners and advanced pond keepers
- Anyone who wants to monitor pH stability and water hardness
⭐ Benefits at a glance
- Original Oase replacement reagents
- Precise measurement of GH and KH
- Indirectly stabilizes the pH value
- Important for fish health and biology
- Easy to use
- Fast and reliable results
Technical specifications
At a glance
Dimensions
Application and Dosage
Application
What buyers say
What customers say about Koi-Area
Before you order
Frequently Asked Questions
When will it arrive?
Ships from Germany, usually within 2 to 4 business days. Individual items are reproduced upon order – in that case, it takes about 10 to 14 business days. The estimated delivery date is shown at the top of the checkout area.
How much is shipping?
Within Germany €5.90 up to 30.9 kg, tiered above that. To Austria, Belgium, Luxembourg and the Netherlands from €7.50, to Denmark from €13.90 – each tiered by weight.
Can I pick it up from you?
Yes, free in Mönchengladbach, Tomphecke 25. Monday, Wednesday, and Friday from 10 am to 5 pm. Just add it to your cart and select pickup at checkout.
I'm not sure if this is suitable for my pond.
Then call us before you order: +49 152 27783926, Monday to Friday from 9 am to 3 pm. You’ll speak with someone who keeps koi and builds pond systems themselves. If a product isn’t right for your setup, we’ll tell you.
Can I return it if it doesn't fit after all?
The statutory 14-day right of withdrawal applies to equipment, accessories, and unopened goods. For hygiene reasons, we cannot accept returns of opened food and grooming products.
How do I pay?
PayPal, Klarna, Apple Pay, Shop Pay, credit card and the other payment methods you see at checkout. You can also pay in person when picking up your order.
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