The 3S Sponge fits:
- AquaStyle 620T Aquariums
- AquaMode 900 Aquariums
- AquaStyle 620 Aquariums / AR 620
Rinse in old tank water to keep beneficial bacteria in sponge alive and replace after sponge begins to deteriorate after ~12 months.
The 3S Sponge fits:
Rinse in old tank water to keep beneficial bacteria in sponge alive and replace after sponge begins to deteriorate after ~12 months.