Oase BIOSTYLE 20 GREY Dr Tim's it is not recommended to

it is not recommended to raise alkalinity by more than 1 dKH (0

A built-in sponge pre-filter prevents shrimps and small fish from accidentally entering the motor compartment

* New packaging use 87% less plastic and includes 25% more product

You can rotate the knob in the front of the pump from 0 to 180 degrees to adjust the water flow rate

The picture is the exact fish you will receive

Oase BIOSTYLE 20 GREY Dr Tim's it is not recommended toThe BioStyle line of compact power filters is perfect for marine and freshwater aquariums. BioStyle 20 contains one disposable, multi stage filter cartridge and a 30 ppi biological filter foam for increased biological mechanical efficiency. The Multi Stage Cartridge includes a filter foam, three chemical media mix and filter fleece. The filter foam traps debris and waste and also offers surface area for beneficial bacteria. The filter media mix