# sera GH Test 15ml Water Hardness Test Kit

**URL:** https://aio.lv/en/product--sera-se-04110--12627479
**Data updated:** 2026-08-15 04:22 (EEST)
**Category:** Other goods
**Manufacturer:** sera
**Manufacturer code:** SE-04110
**EAN:** 4001942560672
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.49 €
**Prices and availability valid until:** 2026-11-06 23:59
**Price without VAT (21%):** 9.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sera-se-04110--12627479

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.10.2026 | free |
| Pickup points | 27.10.2026 | 1.99 EUR |
| Courier delivery to door | 27.10.2026 | 4.99 EUR |

## Summary description

The sera GH Test 15ml is a reliable liquid reagent test kit designed to accurately measure the general water hardness in freshwater aquariums and garden ponds. Monitoring GH levels helps maintain stable and healthy aquatic conditions suited for various fish and plant species. Easy to use with clear color change indication, this test kit is an essential tool for regular water quality maintenance and aquarium management.

## Long description

The sera GH Test 15ml Water Hardness Test Kit is a reliable liquid reagent test kit designed to accurately measure the general water hardness in freshwater aquariums and garden ponds. Monitoring GH levels helps maintain stable and healthy aquatic conditions suited for various fish and plant species. Easy to use with clear color change indication, this test kit is an essential tool for regular water quality maintenance and aquarium management.
Advantages
This liquid reagent test kit offers a precise and dependable method for determining general water hardness in aquatic environments. It features a clear color change indicator that makes reading test results straightforward and understandable for both beginners and experienced aquarists. The compact 15ml bottle provides sufficient testing capacity for regular monitoring routines, helping users quickly identify fluctuations in water parameters and take timely corrective actions to protect aquatic life.
Suitable for
Freshwater aquariums of various sizes
Garden ponds and outdoor water features
Monitoring general water hardness for fishkeeping
Checking water parameters before introducing new aquatic species
Routine maintenance checks by hobbyists and breeders
When it may not be suitable
This test kit is not designed for measuring carbonate hardness, phosphate, pH levels, or other specific chemical parameters, meaning it cannot provide a complete chemical analysis on its own. It is specifically formulated for freshwater environments and is not suitable for marine saltwater aquariums or brackish water setups without considering different baseline reference standards.
Key specifications
Product type: Liquid reagent water test kit
Test parameter: General hardness (GH)
Volume: 15ml
Application: Freshwater aquariums and garden ponds
Methodology: Color change indication
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 the water sample. Add the test reagent drop by drop, counting each drop and swirling the vial gently after each addition. Continue adding drops until the color of the water changes definitively from the initial color to the final indication color specified in the instructions. The number of drops used corresponds directly to the general hardness value in the tested water sample.
What to consider before purchase
Verify that your setup is a freshwater aquarium or garden pond, as this test is not intended for saltwater systems.
Check if you also need tests for other parameters such as carbonate hardness or pH to ensure a complete water quality monitoring routine.
Consider the frequency of testing to determine if a 15ml reagent volume meets your long-term maintenance requirements.
Usage recommendations
For accurate results, always rinse the testing vial thoroughly with aquarium water before each use, close reagent bottles tightly immediately after application, and store the kit in a cool, dark place away from children and pets.

## FAQ

### How much does the sera GH Test 15ml Water Hardness Test Kit cost, and is it available for purchase?

The price is 11.49 € (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 22.10.2026 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/12627479/70215481_large.webp