- Sealing solution concentrate
- Just add water
- Fights bacteria and algae growth
Postageink.com's High Performance Sealing Solution comes in a concentrated form. Simply add water to fill the jug, and make 1 gallon of sealing solution. No need to store heavy jugs of solution, just add water when you're ready to use. Active ingredient combine to fight bacteria and algae growth, and provide a cleaner, more productive sealing system that ensures a tight seal every time.