Editor's pick
Seachem
Stability
A bottled bacteria starter that helps a new tank build its biofilter. Speeds up the cycle that keeps ammonia from poisoning fish.
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Our take
A new tank has no beneficial bacteria to process fish waste, so ammonia builds up and poisons the fish, the notorious new tank syndrome. Bottled bacteria like Stability seed that colony to speed things along. It is a genuine help, especially dosed daily for the first week, though nothing replaces patiently cycling a tank and testing the water. Also handy to re-seed after a filter clean or a course of medication knocks the bacteria back.
Good to know
- Seeds the biofilter
- For new tanks
- Safe, cannot overdose
- Fresh and saltwater
Who it is for
- New tanks
- After medicating
Who should skip it
- A substitute for properly cycling a tank
- Fixing an already-crashed tank on its own
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