5 weeks cycle question

bobby82

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I have a quick question. I’m going into week 6 of my cycle and the last few days, ammonia, nitrite and nitrate levels are all 0. I went through the normal cycle levels with high ammonia, followed by high nitrite and then high nitrate. After week 3 I did a 20% water change and levels went down slowly and now everything is at 0. 2 clown fish, fire shrimp and some hermits and snails in there right now. Is it normal to be showing 0 nitrate? Thanks!
 
I have a quick question. I’m going into week 6 of my cycle and the last few days, ammonia, nitrite and nitrate levels are all 0. I went through the normal cycle levels with high ammonia, followed by high nitrite and then high nitrate. After week 3 I did a 20% water change and levels went down slowly and now everything is at 0. 2 clown fish, fire shrimp and some hermits and snails in there right now. Is it normal to be showing 0 nitrate? Thanks!
How big is the tank, how much are you feeding. Yes - you can have zero nitrate - depending on the bioload - and what you're using for export.
 
Also, what test kits are you using? API is notorious for showing zero nitrate levels.
How big is the tank, how much are you feeding. Yes - you can have zero nitrate - depending on the bioload - and what you're using for export.
20 gallon with a protein skimmer. Redsea max Nano. Feeding once a day. Either pellets or shrimp.
 
I have a quick question. I’m going into week 6 of my cycle and the last few days, ammonia, nitrite and nitrate levels are all 0. I went through the normal cycle levels with high ammonia, followed by high nitrite and then high nitrate. After week 3 I did a 20% water change and levels went down slowly and now everything is at 0. 2 clown fish, fire shrimp and some hermits and snails in there right now. Is it normal to be showing 0 nitrate? Thanks!
Ignore Nitrite unless sky high, and after 6 weeks , it will be low until a load is imposed by feeding, fish, etc. Not unusual for ammonia and nitrite read 0 and Nitrate is less than 20ppm, indicating the cycle is complete and livestock can gradually be introduced. The bacteria population will increase with the new bio-load, processing waste and converting it to nitrate rapidly. However, it is important to note that overloading the aquarium with too many fish initially can exceed what the bacteria can handle. This is why it is best to add new fish slowly over the next few months. The bacterial levels will adapt if you don't overload the system with too many mouths to feed.
 
Did you mean ignore 'nitrate'? (I mean he can also ignore nitrite).
Nitr I te. Nitrite has little impact in seawater once tank is cycled unless above 80ppm. In reef systems, even a minor level of nitrate can cause damage as well as death to delicate corals, anemones, and other inverts.
 
Nitr I te. Nitrite has little impact in seawater once tank is cycled unless above 80ppm. In reef systems, even a minor level of nitrate can cause damage as well as death to delicate corals, anemones, and other inverts.
I know - his question though was about Nitr A te. Which is why I asked. His NitrIte was '0':). Of course you don't want nitrate to be high - he was talking about a cycle. At this point I don't care about nitrate nitrate or ammonia - his tank is cycled. He will need to do any nitrate mitigation just like everyone else.
 

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