Metasorb info states that it is important that it shouldn't be used for more than 10 days continuously. I am just curious as to why?
Interestingly it also says 'There is no harm to leaving the bag in the aquarium for long periods'..... a little contradictory.
Interestingly it also says 'There is no harm to leaving the bag in the aquarium for long periods'..... a little contradictory.



