# sera Koi aqua-test box – portable water test kit for koi ponds (multi-parameter)

**URL:** https://aio.lv/en/product--sera-se-07715--12268870
**Data updated:** 2026-04-16 14:15 (EEST)
**Category:** Aquarium Supplies
**Manufacturer:** sera
**Manufacturer code:** SE-07715
**EAN:** 4001942077156
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 86.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 71.89 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sera-se-07715--12268870

## 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 Koi aqua-test box is a portable multi-parameter water test kit designed for monitoring koi pond water quality. It provides a set of tests to check key parameters such as ammonia, nitrite, nitrate, pH and general water condition, enabling hobbyists and pond keepers to diagnose problems and maintain a healthy environment for koi.

## Long description

sera Koi aqua-test box is a portable multi-parameter water test kit designed for monitoring koi pond water quality. The kit includes reagents and tools to measure key chemical parameters such as ammonia, nitrite, nitrate and pH, plus an assessment of general water condition. It is intended to help hobbyists and pond keepers diagnose water quality issues, support biological filtration management and maintain a healthy environment for koi.
Advantages
The sera Koi aqua-test box combines several wet-chemistry tests in a single, transportable case that is suitable for on-site use at ponds. Tests are designed to provide rapid, readable results without requiring electronic meters, and the included instructions guide users through sampling and interpretation. The kit’s format allows targeted monitoring of the most influential chemical parameters for koi health and pond stability.
Suitable for
Private koi ponds and garden water features
Routine monitoring by hobbyists and small-scale keepers
Troubleshooting water clarity, fish stress or unexplained mortality
Checking biological filter performance during maintenance
When it may not be suitable
This portable test kit focuses on the main chemical parameters relevant to koi health and does not replace comprehensive laboratory analysis for trace elements, heavy metals or pathogens. For highly precise numeric monitoring, continuous electronic probes or laboratory services may be preferable. Users requiring automatic logging, extremely low detection limits or regulatory-grade reporting should consider professional instruments or lab testing.
Key specifications
Tested parameters: ammonia, nitrite, nitrate, pH and general water condition
Format: portable case with reagents and color comparison system
Application: freshwater koi ponds and ornamental water gardens
Intended user: hobbyists, pond keepers and small-scale operators
How to use
Collect a representative water sample from the pond following the kit instructions and use the supplied reagents and test vials to perform each assay. Compare resulting colors to the provided color charts under good lighting to determine concentration ranges for ammonia, nitrite, nitrate and pH. Record results and, if needed, repeat tests after corrective actions such as partial water change, filter maintenance or adjusting feeding. Handle reagents carefully and rinse test vessels between assays to avoid cross-contamination.
What to consider before purchase
Check that the kit covers the parameters you need to monitor (ammonia, nitrite, nitrate, pH)
Ensure reagent shelf life and storage conditions match your expected usage frequency
Consider whether visual color comparison meets your accuracy needs or if instrument-based tests are required
Confirm compatibility with freshwater koi ponds rather than saltwater applications
Usage recommendations
Test pond water regularly—weekly during warm months and after major changes such as water additions, heavy feeding or fish stocking. Use results to guide gradual corrective measures: lower ammonia and nitrite through partial water changes and support biological filtration rather than abrupt chemical treatments. Keep the kit stored dry and at moderate temperature, and replace reagents when expiry is reached to maintain reliable readings.

## FAQ

### How much does the sera Koi aqua-test box water test kit cost, and is it available for purchase?

The price is 86.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 Koi aqua-test box water test kit 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

## Image

https://aio.lv/img/cache/product/12268870/68186725_large.webp