05-19-2014, 09:14 PM
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Originally Posted by sprmankalel
Typically nitrate doesn't drop without a WC. Between 5 and 10 is great but as nitrate is the end process of the cycle nitrate usually rises. The reason is there is no bacteria that typically grows in the aquarium to consume nitrate itself. The bacteria that consumes nitrate does not live in an oxygen rich environment. So unless you have a filter that is air tight specifically for removing nitrate (and typically expensive) I don't see nitrate falling.
Your plants are helping and eventually level off. I think my tank remains at about 20ppm nitrate.
Ah, well its at somewhere between 20 and 25. I mean it dropped that many as it was at 30 a few days ago and dropped without me doing anything. Anaerobic bacteria, my old nemesis... so being in compost = bad, but it being in an aquarium = good.
I found a similar glass and light set up with the proper amount of light for the plants at the lfs so there is definitely air in there as there's a gap for the filter. Happy plants I hope. Hoping the dwarf hair grass comes back to life as its rather brown at the moment.
Originally Posted by corina savin
Yes, nitrates falling in a planted tank is a pretty good sign that you have a small bioload compared to growth of the plants. Having finished the ammonia, the plants will go after nitrates. Algae do that too.
Falling nitrates in a non planted tank is a good sign that you did not shake enough bottle nr 2 of the Nitrate test
Lol! I was wondering what would happen if I didn't do that right. Bold directions always make me wonder.