# Sera TEST Cu Copper Test Kit for Aquariums

**URL:** https://aio.lv/en/product--sera-03498--12625577
**Data updated:** 2026-08-14 04:23 (EEST)
**Category:** Aquarium Supplies
**Manufacturer:** sera
**Manufacturer code:** 03498
**EAN:** 4001942047104
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 13.49 €
**Prices and availability valid until:** 2026-10-26 23:59
**Price without VAT (21%):** 11.15 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sera-03498--12625577

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 12.10.2026 | free |
| Pickup points | 15.10.2026 | 1.99 EUR |
| Courier delivery to door | 15.10.2026 | 4.99 EUR |

## Summary description

The Sera TEST Cu is a reliable water test kit designed for accurate measurement of copper levels in freshwater and marine aquariums. Regular monitoring helps ensure a safe environment for sensitive aquatic inhabitants, particularly when treating fish diseases or managing invertebrate tanks. Essential for maintaining optimal water parameters and preventing toxic accumulation.

## Long description

The Sera TEST Cu Copper Test Kit for Aquariums is a reliable water testing solution designed for the accurate measurement of copper levels in both freshwater and marine aquarium environments. Regular monitoring of copper concentration is essential to ensure a safe and stable habitat for sensitive aquatic life, especially during the targeted treatment of fish diseases or when managing dedicated invertebrate aquariums. This test kit helps maintain optimal water parameters and prevents the toxic accumulation of heavy metals that can harm fish, plants, and beneficial microorganisms.
Advantages
This copper test kit provides precise and dependable measurements to help maintain strict control over water chemistry in aquariums. It is equally effective for freshwater and saltwater setups, offering versatility for different aquatic hobbyists. Regular use of the kit supports proactive water management, allowing users to detect elevated copper levels early and take corrective action before adverse effects occur. By utilizing this analytical tool, aquarists can safely administer necessary treatments while protecting sensitive species from accidental overexposure.
Suitable for
Freshwater aquariums during disease treatments
Marine and reef aquariums requiring strict water parameter monitoring
Invertebrate tanks where copper sensitivity is a primary concern
Aquarium hobbyists managing therapeutic copper levels
When it may not be suitable
This product may not be suitable for general routine water testing where copper is not expected to be present or monitored. It is specifically formulated for measuring copper concentrations and is not designed to test for other essential water parameters such as pH, ammonia, nitrite, or nitrate.
Key specifications
Designed for freshwater and marine aquariums
Measures copper (Cu) levels
Reliable water testing reagent system
How to use
To perform the test, rinse the provided glass vial thoroughly with the water to be tested, then fill it to the specified mark with aquarium water. Add the exact number of reagent drops as indicated in the enclosed instruction manual. Close the vial and shake gently to mix the contents thoroughly. Wait for the reaction time specified in the instructions to allow the color to develop fully. Compare the resulting color of the test sample against the provided color chart in daylight to determine the exact copper concentration value.
What to consider before purchase
Ensure you require copper testing for therapeutic or monitoring purposes
Check that the testing range aligns with your specific aquarium management needs
Review the included instructions to ensure proper handling of liquid reagents
Usage recommendations: Store the test kit in a cool, dry place away from direct sunlight and out of reach of children and pets. Always tightly close reagent bottles immediately after use to preserve their chemical integrity and ensure accurate future test results.

## FAQ

### How much does the Sera TEST Cu Copper Test Kit cost, and is it available for purchase?

The price is 13.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 11 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 12.10.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All sera products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized sera service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12625577/69322272_large.webp