# sera 03500 Ammonium Test Kit for Aquariums

**URL:** https://aio.lv/en/product--sera-03500--12730411
**Data updated:** 2026-10-17 04:21 (EEST)
**Category:** Aquarium Supplies
**Manufacturer:** sera
**Manufacturer code:** 03500
**EAN:** 4001942560627
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 16.49 €
**Prices and availability valid until:** 2026-12-08 23:59
**Price without VAT (21%):** 13.63 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sera-03500--12730411

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 24.11.2026 | free |
| Pickup points | 27.11.2026 | 1.99 EUR |
| Courier delivery to door | 27.11.2026 | 4.99 EUR |

## Summary description

The sera TEST NH4/NH3 (03500) is an essential aquarium water testing kit designed to accurately measure ammonium and ammonia levels. Regular monitoring helps prevent toxic accumulation in freshwater and saltwater aquariums, ensuring a safe and healthy aquatic environment for fish and plants. Reliable and easy to use for routine water quality maintenance.

## Long description

The sera 03500 Ammonium Test Kit for Aquariums is a reliable and accurate water testing solution designed to measure ammonium and ammonia levels in both freshwater and saltwater setups. Regular water parameter monitoring is essential for maintaining a balanced aquatic ecosystem, preventing toxic spikes, and ensuring the long-term health of fish and live plants. This testing kit provides precise results to help hobbyists maintain optimal water quality during routine maintenance and aquarium setup.
Advantages
Using the sera Ammonium Test Kit allows for early detection of potentially harmful nitrogen compounds before they impact the inhabitants of your tank. The testing procedure is straightforward and yields quick, dependable results, making it suitable for both beginner and experienced aquarists. By keeping track of ammonium and ammonia concentrations, you can take timely corrective actions such as water changes or filter adjustments to protect your aquatic livestock.
Suitable for
Freshwater aquariums during cycling and routine maintenance
Saltwater marine aquariums for monitoring water parameters
Community fish tanks housing sensitive fish species
Planted aquariums requiring strict water chemistry control
When it may not be suitable
This test kit may not be suitable if you require automated, continuous water monitoring, as it relies on manual drop-based testing procedures. It is specifically designed to measure ammonium and ammonia and will not provide data for other water parameters such as pH, hardness, or nitrate levels without additional test kits.
Key specifications
Measures ammonium and ammonia levels
Suitable for freshwater and saltwater aquariums
Includes liquid reagent drops and color comparison chart
How to use
To perform the test, rinse the provided glass vial thoroughly with the aquarium water you wish to test, then fill it to the specified mark. Add the required number of reagent drops according to the enclosed instructions, close the vial, and shake gently to mix the solution. Allow the mixture to develop for the specified duration, then compare the resulting color of the liquid against the provided color chart in natural daylight to determine the ammonium concentration.
What to consider before purchase
Ensure you have a complete set of test kits for other vital parameters like nitrite and nitrate for comprehensive water management
Review the number of tests included in the package to ensure it meets your long-term monitoring needs
Usage recommendations: Store the test kit in a cool, dry, and dark place out of reach of children and pets. Always tightly close reagent bottles immediately after use and replace the kit after the expiration date to ensure consistent measurement accuracy.

## FAQ

### How much does the sera 03500 Ammonium Test Kit cost, and is it available for purchase?

The price is 16.49 € (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 24.11.2026 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/12730411/70601164_large.webp