# Water conditioner sera Blackwater Aquatan, 100 ml bottle

**URL:** https://aio.lv/en/product--water-conditioner-sera-blackwater-aquatan-100-ml-bottle--3678391
**Data updated:** 2026-03-11 11:44 (EET)
**Category:** Aquarium Supplies
**Manufacturer:** sera
**EAN:** 4001942031400
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 8.99 €
**Prices and availability valid until:** 2026-08-20 23:59
**Price without VAT (21%):** 7.43 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--water-conditioner-sera-blackwater-aquatan-100-ml-bottle--3678391

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 04.08.2026 | free |
| Pickup points | 07.08.2026 | 1.79 EUR |
| Courier delivery to door | 07.08.2026 | 4.99 EUR |

## Summary description

sera Blackwater Aquatan is a 100 ml water conditioner designed to treat aquarium water by neutralizing harmful substances and creating blackwater-like conditions. It adjusts water chemistry to support fish health, reduces stress during water changes, and helps maintain stable conditions for species preferring tannin-rich, slightly acidic environments. Suitable for freshwater aquaria.

## Long description

sera Blackwater Aquatan, 100 ml bottle, is a liquid water conditioner formulated to create blackwater-like conditions in freshwater aquaria while neutralizing harmful substances. The preparation reduces chlorine and chloramine residues, detoxifies heavy metals, and helps stabilize water chemistry to better match tannin-rich, slightly acidic environments preferred by many tropical and ornamental fish. The compact 100 ml bottle is suitable for regular small-dose treatments and for aquarists who keep species that benefit from softened, darker water conditions.
Advantages
sera Blackwater Aquatan combines water detoxification with targeted water conditioning to simulate natural blackwater habitats. It neutralizes disinfectants and heavy metals, conditions tap water to lower pH and hardness within a modest range, and introduces tannin-like compounds that gently tint the water without adding particulate matter. The product helps reduce stress during water changes and supports physiological well-being of fish that prefer slightly acidic, soft water.
Suitable for
 Freshwater aquaria where blackwater conditions are desired
 Community and species tanks housing fish that prefer slightly acidic, tannin-rich water
 Regular water changes to reduce stress and detoxify tap water
 Breeding setups for species that need stable, softer water parameters
Key specifications
 Form: liquid concentrate in 100 ml bottle
 Intended use: conditions freshwater aquaria to simulate blackwater-like chemistry
 Effects: neutralizes chlorine and chloramine, detoxifies heavy metals, introduces tannin-like conditioning
 Suitable water types: freshwater aquaria (not for marine use)
 Dosage sensitivity: designed for small, controlled additions to adjust water chemistry gradually
How to use
Measure and add the recommended dose of sera Blackwater Aquatan directly to aquarium water according to the dosing instructions provided on the product label. Apply during or immediately after water changes to neutralize chlorine and chloramine and to condition the replacement water. For gradual adjustment of pH and hardness or to create a light blackwater tint, use the product in small, repeated doses and monitor water parameters. Avoid overdosing by following label directions and taking into account aquarium volume and livestock sensitivity.
Usage recommendations
Test water parameters regularly when establishing blackwater conditions and adjust dosing progressively. Combine with routine filtration and partial water changes; observe fish behavior and health after initial applications to ensure the adjusted chemistry suits the species kept.

## FAQ

### How much does the Water conditioner sera Blackwater Aquatan 100 ml cost, and is it available for purchase?

The price is 8.99 € (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 04.08.2026 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/3678391/68527132_large.webp