water care
Colombo GH+ for koi & garden ponds
Increase total hardness
- Erhöht zuverlässig die Gesamthärte (GH) im Teichwasser
- Versorgt das Wasser mit wichtigen Mineralstoffen
- Unterstützt gesunde Koi und Teichfische
- Fördert stabiles und biologisch aktives Teichwasser
Auf Lager · voraussichtlich bei dir 17.–22. November
Colombo GH+ for koi & garden ponds – increase total hardness
Details
All About the Product
Product description
Colombo GH+ for Koi & Garden Ponds – Increase General Hardness
Colombo GH+ specifically increases the general hardness (GH) in pond water and provides the pond with essential minerals.
General hardness describes the amount of dissolved minerals in water, particularly calcium and magnesium. These minerals are important for healthy Koi, stable water values, and a functioning biological balance in the pond.
If the GH is too low, a mineral deficiency can occur, which has a negative impact on fish, plants, and filter biology.
With Colombo GH+, the general hardness in the pond is specifically raised and the water is enriched with essential minerals. This creates stable water conditions for Koi, pond fish, and aquatic plants.
Who is it suitable for?
🐠 Koi keepers with low general hardness in the pond
💦 Pond owners with mineral deficiencies in the water
⚖️ For stabilizing water values in Koi and garden ponds
Advantages at a glance
- Reliably increases the general hardness (GH) in pond water
- Supplies the water with essential minerals
- Supports healthy Koi and pond fish
- Promotes stable and biologically active pond water
- Ideal for Koi and garden ponds
Dosage
150 ml (1 measuring cup) per 2,000 liters of pond water increases the GH level by 2 °dH.
First dissolve the required amount in a bucket or watering can with lukewarm water and then distribute it in the pond. Do not pour directly onto plants.
Check the water values at least once a month and adjust the dosage if necessary.
Available versions
⭐️ 1 L
⭐️ 2.5 L
⭐️ 5 L
⭐️ 15 L
Technical specifications
At a glance
Application and Dosage
Application
Dosage
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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We’ll show you what’s happening at the trade show—and you show us your ponds. We can answer your questions faster there than over the phone.
