Description
Easy-Life Bio-Exit Blue 250ml — Biological treatment against blue-green algae for small and mid-size freshwater aquariums
Blue-green slime spreading across the sand in sheets, smelling earthy and peeling off in mats, is cyanobacteria rather than true algae, and scraping it off rarely stops it coming back. Easy-Life Bio-Exit Blue 250ml (SKU: 725127) is Easy-Life’s biological answer to cyanobacteria in freshwater aquariums. Instead of attacking the slime directly, it promotes the heterotrophic soil bacteria that break down animal waste, which Easy-Life says restores the microbiological balance in the substrate that allowed cyanobacteria to take hold. Made by Easy Life International in Duiven, the Netherlands, it is described as harmless to fish and plants when used as directed. The 250 mL bottle covers a full two-dose course for up to 500 L.
The treatment runs over two weeks. On day one, add 10 mL per 40 L of aquarium water; on day seven, repeat the same dose; on day fourteen, carry out a water change. No water should be changed during the two-week treatment, and activated carbon should be taken out of the filter beforehand because it can remove the product. Shake the bottle well before each dose and do not overdose. If cyanobacteria remain, or new growth appears afterwards, the course can be repeated. A single 10 mL dose treats 40 L, so 250 mL holds 25 doses: enough for one complete course in a 200 L tank with plenty left for a repeat, or about eight courses in a 60 L tank. Siphoning the loose mats out before the first dose and improving flow into dead spots supports the treatment.
Usage & Application
When to Use
- Slime on the substrate: Blue-green or dark mats spreading over sand or gravel.
- Coating plants and decor: Cyanobacteria smothering leaves and hardscape.
- Recurring outbreaks: When manual removal alone keeps failing.
- Smaller tanks: A 250 mL bottle sized for aquariums up to about 500 L.
Dosing & Administration Guide
- Before starting: Remove activated carbon and shake the bottle well.
- Day 1: Add 10 mL per 40 L of aquarium water.
- Day 7: Repeat 10 mL per 40 L, with no water changes in between.
- Day 14: Change water; repeat the course if cyanobacteria persist.
Product Specifications & Highlights
Key Features
- Biological approach: Supports waste-degrading soil bacteria rather than killing the slime chemically.
- Two doses per course: Day 1 and day 7, then a water change on day 14.
- Fish and plant safe: Harmless when used as directed, according to Easy-Life.
- Repeatable: The course can be run again if growth returns.
- 25 doses: 250 mL at 10 mL per 40 L.
Product Details
- Brand: Easy-Life (Netherlands)
- SKU: 725127
- Barcode (GTIN/EAN): 8718347330354
- Product Type: Additives & Supplements > Cyanobacteria Treatment
- Net Volume: 250 mL
- Dose Rate: 10 mL per 40 L on day 1 and day 7; water change on day 14
- Treatment Capacity: One full course for up to 500 L (single dose for 1,000 L)
- Application Notes: Shake well; remove activated carbon; no water changes during treatment
- Manufacturer: Easy Life International B.V., Duiven, Netherlands
- Other Sizes: Easy-Life Bio-Exit Blue 500ml (725128); 1ltr (725129)
- Target Environment: Freshwater aquariums


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