sera COČ start. The sera COČ diffusion reactor for healthy aquarium plants. The sera COČ-Start is a simple-to-use system for releasing a measured amount of COČ to your aquarium plants. When inserted in the plastic COČ diffusion reactor, each sera COČ-Tabs plus tablet dissolves within a few hours, diffusing 100 ml of COČ into the water. The constant water action from the filter ensures a well-dispersed and long-lasting supply of nutrients to the plants. 20 sera COČ-Tabs plus sufficient for up to 2 1/2 months
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- 1 diffusion reactor
- 20 sera COČ-Tabs plus
- direction for use