Tetra 243026 EasyCrystal A 250/300 Filter Cartridge with Anti-Algae Agent AlgoStop 30 ml

• Treats algae without harming your fish - for crystal-clear water
• Long-lasting treatment that ensures that algae doesn't return
• For aquariums with 10 to 30 l capacity
• Compatible with EasyCrystal 250/300 and ReptoDeco filters
• Mechanical and biological filtration: non-woven double-layer filter that effectively removes small particles

The EasyCrystal FilterPack creates crystal clear aquarium water through intensive mechanical and biological filtering. The additional anti-algae active ingredient in depot form safely fights algae.