my powerhead filter

[livelymc]

simply filled a 500 ml bottle with foam chunks and put holes all around the bottom. hope it will add some good biological filtration what

comments please

 

[livelymc]

any comments

 

[littlewangzfan]

Cool idea but I've seen this many times before. Thanks for sharing though.

 

[livelymc]

Just wondered how efficient are filters like this are the a good addition to a tank alreadyy running 2 305s and the tank is 5x2x2 thanks