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Details

All About the Product

Product description

Oase Ammonium/Ammonia Refill Set – Reagents for Water Testing

 

The Oase Ammonium/Ammonia Refill Set (50663) is an original replacement set for the Oase AquaActiv water testing system and enables reliable monitoring of the water values in your pond.

With this refill set, you can precisely measure the ammonium and ammonia content to detect critical levels early and maintain stable water quality.

Ideal for continuous pond care and water monitoring, especially when fish are present.

 

 

Suitable for
  • Pond owners with fish (e.g., koi)
  • Users of the Oase AquaActiv water test
  • Beginners and professional pond keepers
  • Operators of koi ponds and garden ponds
  • Anyone who monitors water values regularly

 

 

⭐ Benefits at a glance
  • Original Oase replacement reagents
  • Precise measurement of ammonium & ammonia
  • Easy to use
  • Important for stable water quality
  • Ideal for regular pond inspection
  • Perfect for AquaActiv test systems
Technical specifications
At a glance

Refill set for ammonium and ammonia measurement in pond water, suitable for Oase AquaActiv water test systems, precise water analysis

Dimensions
Refill set for multiple water test applications, suitable for Oase AquaActiv test system
Application and Dosage
Application
Use for the regular monitoring of ammonium and ammonia levels in pond water; ideal for fish stocks and after water changes.

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What customers say about Koi-Area

4,9 in the entire shop from 281 reviews
Hand feeding koi by the pond edge

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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