For large aquariums: Reduces nitrate & organic waste naturally – maintains stable biological balance without chemicals. Improves clarity & freshness: Removes debris & odours – supports healthy oxygen levels and biofiltration. Long-term biological stability: Strengthens natural bacteria activity – ideal after maintenance or water changes. Easy dosing: Start 25 ml / 100 L, weeks 2-4 15 ml / 100 L, then 7.5 ml / 100 L every 14 days – no refrigeration needed. ARKA quality: Premium biotechnology for safe and natural water balance – trusted by professionals.
All merchants
- Mizuno
- FixPart
- Pill Sphere
- Evelyn Gold
- CalendarClub.co.uk
- Lights.co
- MojoFun
- Freshlick
- FabFinds
- Ohh Deer
- Kettler Outdoor Furniture
- KWM wine
- Stella McCartney
- Stattics
- Peppersmith
- Beyond Shakers
- Revive Active
- mojoglasses
- Hideaway Beds
- Lights 4 Living
- Gallagher
- Tyres.net
- Sweatband
- Kitchen Knives
- SC Nutra
- Enjoy the Wood
- Startselect
- Roofing Superstore
- Thompson & Morgan
- Cast In Style