Did I Kill All The Beneficial Bacteria In My Tank?

Cywangton

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Hey there, my tank was fully cycled and in good condition (besides from an algae bloom a week ago thats somewhat under control) when my parent thought it would be a good idea to change the water. So, tap water was added in without being conditioned.

This happened at 2:00pm and I immediately added conditioner at 6:10pm when I found out...

My tank has an underground filter, so the beneficial bacteria is probably all in the substrate.

Did all the bacteria die? Tap water was in the tank for 4 hours.

If so, should I add some cultured bacteria like tetra safe start? But the earliest I can get it is in 2 days, so will that be really bad?
 

TexasGuppy

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Petsmart sells an API ammonia alert you hang inside the tank.. It's good for a few months and may be an easy way to monitor constantly. It doesn't do nitrite however... so you'll need to still watch that manually.
 
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