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Heres a DNA sequencing on Prodibio Biodigest (the glass ampoules). It isn’t a bottle of “instant nitrifiers.” It’s mostly fast-growing heterotrophic bacteria (Pseudomonas, Bacillus, Achromobacter), plus denitrifiers (Rhodobacter, Zobellia) and some anaerobic/facultative organisms that normally live deeper in rock and sand.
On a reef, these organisms don’t replace nitrification. Their role is to consume dissolved organics, compete with nuisance microbes, temporarily bind nitrogen into biomass, and help establish microbial layers that later allow true nitrifiers and denitrifiers to settle in. That’s why people see tanks stabilize quickly without the biology actually being “complete.”
The ampoule format makes sense because these bacteria aren’t meant to multiply in the bottle — they’re preserved until use, then released to shape early microbial succession. A lot of what hobbyists credit live rock for early on is actually these same functional groups, not ammonia-oxidizing bacteria specifically.
So again, this isn’t an anti-live-rock take (unless you just like buying overpriced rocks or rocks with bugs on them). It’s just pointing out that the functional roles live rock used to provide can now be introduced deliberately and with a lot more control.
AS a side note, alot of other bottles are really not looking great, everything from human feces to strep and more... and we havent even got through our rigorous testing.

On a reef, these organisms don’t replace nitrification. Their role is to consume dissolved organics, compete with nuisance microbes, temporarily bind nitrogen into biomass, and help establish microbial layers that later allow true nitrifiers and denitrifiers to settle in. That’s why people see tanks stabilize quickly without the biology actually being “complete.”
The ampoule format makes sense because these bacteria aren’t meant to multiply in the bottle — they’re preserved until use, then released to shape early microbial succession. A lot of what hobbyists credit live rock for early on is actually these same functional groups, not ammonia-oxidizing bacteria specifically.
So again, this isn’t an anti-live-rock take (unless you just like buying overpriced rocks or rocks with bugs on them). It’s just pointing out that the functional roles live rock used to provide can now be introduced deliberately and with a lot more control.
AS a side note, alot of other bottles are really not looking great, everything from human feces to strep and more... and we havent even got through our rigorous testing.

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