# Aquarium water treatment FEMANGA Bio Spezial anti-cyanobacteria solution 500 ml

**URL:** https://aio.lv/en/product--femanga-fm-66102--12015023
**Data updated:** 2026-03-11 20:49 (EET)
**Category:** Aquarium Supplies
**Manufacturer:** FEMANGA
**Manufacturer code:** FM-66102
**EAN:** 4260280830162
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

FEMANGA Bio Spezial is a 500 ml aquarium treatment formulated to combat cyanobacteria (blue‑green algae) in freshwater tanks. The liquid solution targets and reduces cyanobacterial growth while being intended for aquarium use — suitable for treating affected water zones, improving water clarity and supporting maintenance routines. Follow dosage and safety instructions on the label.

## Long description

FEMANGA Bio Spezial anti-cyanobacteria solution is a 500 ml liquid treatment designed for freshwater aquariums to reduce and control cyanobacteria (blue‑green algae). The formulation is intended to act on affected areas of the aquarium, support restoration of water clarity and integrate into routine maintenance. Use as directed on the label and observe safety and handling instructions when dosing the aquarium.
Advantages
The aqueous solution targets cyanobacterial growth while being suitable for spot treatment and whole-tank applications, depending on severity. It supports improved water clarity and can be combined with mechanical removal and improved filtration. The 500 ml pack size provides multiple doses for periodic or intensive treatment cycles and is formulated for aquarium use.
Suitable for
Freshwater aquariums affected by cyanobacteria (blue‑green algae)
Spot treatment of localized mats and slimy patches
Whole-tank treatment during maintenance cycles
Use in planted tanks with careful adherence to dosing instructions
Key specifications
Form: liquid solution suitable for direct dosing into aquarium water
Volume: 500 ml per bottle
Intended environment: freshwater aquariums
Primary action: targets and reduces cyanobacterial growth to improve water clarity
Application: can be used for localized or whole-tank treatment as directed
How to use
Read the label and dosing instructions carefully before first use. Determine the appropriate dose based on aquarium volume and severity of cyanobacterial infestation. For localized problems, apply the solution directly to affected zones; for widespread issues, distribute the measured dose evenly across the tank. Perform regular water parameter checks and consider partial water changes and mechanical removal of cyanobacterial mats to enhance treatment effectiveness. Avoid overdosing and remove activated carbon from filtration during treatment if recommended on the product label.
Usage recommendations
Use FEMANGA Bio Spezial as part of an overall maintenance routine: combine measured chemical treatment with physical removal, improved circulation and filtration, and monitoring of nutrient levels. Follow label safety instructions, keep out of reach of children and pets, and allow treated water to stabilize before adding sensitive livestock.

## FAQ

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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 FEMANGA 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 FEMANGA 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

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