# sera 04002 water testing product

**URL:** https://aio.lv/en/product--sera-se-04002--12029219
**Data updated:** 2026-03-12 16:37 (EET)
**Category:** Aquarium Supplies
**Manufacturer:** sera
**Manufacturer code:** SE-04002
**EAN:** 4001942040020
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 92.49 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 76.44 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sera-se-04002--12029219

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

sera 04002. Product type: Water test kit

## Long description

sera Aqua-test box (+ Cu) is a compact chemical test set for aquarium and pond water designed to measure multiple water quality parameters including copper (Cu). The kit enables on-site assessment of copper concentration alongside other common indicators, helping hobbyists and aquarists detect potentially harmful levels and track general water condition for fish and plants.
Advantages
The test set combines copper measurement with other routine water checks in a single portable box, offering clear colorimetric results that are easy to read without specialised equipment. The reagents and test tubes are arranged for straightforward operation and rapid results, allowing frequent checks and early detection of changes in water chemistry. The compact format makes storage and transport practical for use at home or at outdoor ponds.
Suitable for
Freshwater and outdoor pond hobbyists monitoring copper and general water quality
Aquarists checking water safety for sensitive fish and invertebrates
Routine maintenance checks after medication, water changes, or source water testing
Key specifications
Includes chemical reagents for copper (Cu) measurement and additional routine parameters
Colorimetric tests providing visual readout via comparison scale
Compact, portable plastic case with dedicated reagent vials and test tubes
Designed for multiple test runs; reagent volume supports repeated measurements
Suitable for freshwater aquaria and garden ponds
How to use
Collect a sample of aquarium or pond water following the instructions supplied in the kit. Add specified drops of reagent to the provided test tube, mix as directed and wait the recommended reaction time. Compare the resulting color against the kit’s color chart to determine the copper concentration and other parameter values. Dispose of used reagents responsibly and rinse test tubes after each use to avoid cross-contamination.
Usage recommendations
Perform tests at consistent times and locations within the aquarium or pond to obtain comparable results. Use the copper measurement when assessing effects of medication, fertilizer treatments or accidental contamination, and repeat tests as needed to monitor trends. Store reagents in a cool, dry place away from direct sunlight and follow safety instructions on the packaging.

## Specifications

| Feature | Value |
|---|---|
| Product type | Water test kit |
| Suitable for pond water | Yes |
| Suitable for aquarium water | Yes |
| Suitable for freshwater aquarium | Yes |

## FAQ

### How much does the sera 04002 water testing product 04002 cost, and is it available for purchase?

The price is 92.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 14.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can sera 04002 water testing product 04002 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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

### Where can I download the instructions for sera 04002 water testing product 04002?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/12029219/67611471_large.webp