Aqua One Algae Block 20g
Aqua one algae blocks when placed in your aquarium will slowly dissolve over 7 to 14 days depending on water conditions and circluation and are designed to break down and prevent algae problems within aquariums and ponds, leaving your water crystal clear.
- Assists with the prevention of algae growth in tanks
- Easy to use
- One whole block treats a large area of 120 litres of water