Permanent silicate removal
 
Silicate supports the growth of diatoms in marine water aquariums. sera marin silicate clear easily and permanently binds silicate.
sera marin silicate clear is delivered with a practical filter media bag. Briefly rinse with running water before use, then simply place in a filter or a place with good water circulation. Remains active up to three months, depending on the silicate level.
500 g (1.1 lb.) are sufficient for an aquarium holding 200 - 400 liters (53 - 106 US gal.).
Tip:
The sera SiO3-Test kit allows to reliably monitor the silicate level.