Aqua One Algae Block

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.

Key benefits:

• Assists with the prevention of algae growth in tanks
• Easy to use
• One whole block treats a large area of 120 litres of water