



Water tester
Oase Phosphate Refill Set
Reagents for water testing & algae control
- Reliable measurement results, easy to use, supports algae control, rapid water analysis, ideal for stable water parameters in the pond
Lieferzeit ca. 10–14 Werktage
Dieser Artikel ist nicht vorrätig und wird nach deiner Bestellung für dich geordert. Die Lieferzeit beträgt ca. 10–14 Werktage.

Oase Phosphate Refill Set – Reagents for water testing & algae control
Details
All About the Product
Product description
Oase Phosphate Refill Set – Reagents for water testing & algae control
The Oase Phosphate Refill Set (50661) is an original replacement for the Oase AquaActiv water test system and is used for the reliable measurement of phosphate levels in pond water.
An increased phosphate level is often the cause of algae growth. With this refill set, you can detect contamination early and take targeted countermeasures to keep water quality stable.
Ideal for continuous pond maintenance and algae prevention.
Who it is suitable for
- Pond owners with algae problems
- Koi pond operators
- Users of Oase AquaActiv water tests
- Beginners and professional pond keepers
- Anyone who checks their water values regularly
⭐ Benefits at a glance
- Original Oase replacement reagents
- Precise phosphate measurement
- Supports algae control
- Easy to use
- Fast analysis of water values
- Ideal for regular pond maintenance
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.

