118ml.

 

DESCRIPTION
Wardley® WELLNESS™ Bullseye™ 6.5 Water Treatment is an aquarium pH regulator which automatically adjusts and buffers aquarium water to an acidic environment (pH 6.5). Depending on aquarium size and setup, Wardley® WELLNESS™ Bullseye™ 6.5 Water Treatment can be effective for up to 2 months.