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Old 11/15/2015, 04:37 PM   #13
d0ughb0y
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Join Date: Mar 2008
Location: sf bay area
Posts: 4,589
I change filter sock once every 2 weeks.

It is a DIY sock that I sew myself using fabric I bought from Jo-ann's fabric, so it is a completely brand new sock every time. cost me 25 cents per 6" diameter sock.
Nitrates in tank is 0. So I know first hand you do not need to change your filter sock every day or two to keep nitrates at 0.

search for DIY filter sock in reef 2 reef site.

this is the fabric


sock


with sock holder. I used the old sock holder ring from an old sock, punched holes through it and used zip tie to hold the DIY sock


this was when I was changing sock once a week, I figure I could go two weeks and make the most use of the filter sock and been on 2 week schedule for at least the last 6 months with no issue.


I don't have a sewing machine at home so I got this for like $10 at walmart. I works just fine.




Last edited by d0ughb0y; 08/08/2017 at 11:11 AM.
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