The Planted Tank Forum banner
1 - 6 of 6 Posts

·
Registered
Joined
·
59 Posts
Discussion Starter · #1 ·
I tested my water with api test and it shows around 80 plus ppm of nitrates... but my fish show no signs of any stress effects from it. Are api tests even reliable? I found this by Tom Barr and yes my nitrates come from KNO3.
I've kept the NO3 at 160 ppm for 3 weeks, no issues, as long as it is from KNO3, not over fed fish, dead fish etc......
So the answer is that the max level is actually quite high(over 100ppm NO3) if you are trying to kill fish with KNO3.
 

·
Registered
Joined
·
13,143 Posts
  • Like
Reactions: lakshen99

·
Premium Member
75g, 33L, 2g and play tanks
Joined
·
641 Posts
I ended up with a tank above 200 nitrate levels. Nothing died, brought it down under 40 in a month. So if it gets up there, it shouldn't be harmful to anything. I wouldn't keep it at those levels personally.

These guys however seem to have a better understanding so if you're dosing, which I am not, there must be a reason to keep it that high on the right occasion.
 

·
Premium Member
75g, 33L, 2g and play tanks
Joined
·
641 Posts
hmm then i guess my shrimp died of other causes if my fish didnt show any signs
oh, I didn't see you mention shrimp. Shrimp are more picky and it possible they died from high nitrates. But I am no shrimp expert, I have only been dabbling in the shrimps.
 
1 - 6 of 6 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top