How to make a biological filter for aquarium - video

[diyfixman]

Glad to share with you my little project, I found a nice way to create an internal biological filter for my aquarium.

 

[Ranjib]

Awesome, reminds me of Donovan’s nitrate destroyer. Thanks for sharing this

 

[diyfixman]

Awesome, reminds me of Donovan’s nitrate destroyer. Thanks for sharing this

thank you dear friend

 

[VSVP bet]

Very cool. also... welcome to R2R!!