In article , "Priscilla McCullough"
writes:

http://www.geocities.com/bickal2000/pond.htm

I am in the works on making the one that he has instructions for! I have
emailed him with any questions I have and he is very helpful! I have a tetra
PF3 and it's not enough anymore. So I decided to do a DIY filter this year
maybe it's the last filter I will need!


Sacha