xxwolfpackof1xx
Aquarium Advice Addict
@gti really? hm well if the sand bed is properly airated by sand sifting cuc that wont be an issue right?
Gti_Leo said:an external DSB is only good just incase soemthign happens you can remove it quickly and easily, in the long run the system is better off with a full DSB it removes the most amount of polutants rather then the smaller area that an in sump DSB does