How long to seed new media?

jandb

Piranha
MFK Member
Jan 18, 2009
937
169
76
Lewis Center, OH
Hello, I just purchased 5 gallon of Pond Matrix. I planned on bagging it and throwing it into an established 75 gallon sump before putting it in the new sump. How long do you think I need to leave it to get it well seeded? Thanks.
 

MilitantPotato

Candiru
MFK Member
Jul 19, 2006
722
2
48
Missouri, USA
3-5 weeks. There's a slight risk of a small ammonia spike once you remove it from your established tank, so feed lightly check your levels for the first few days. I've not had an issue with this when seeding filters though. Unless your established tank is under filtered, you're basically stealing bacteria from the established tank.

I do find that the established bacteria is minimal, so the initial stocking should be low, but it will cycle a tank very quickly (a week depending on introduced stock.)
 
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