tank starting to cycle again
my ciclid tank has been out of cycle for about 4months now but has been up for 6 .slowly added fish between this time and now i had my water tested and it came bad ammonia is up quite a bit and so is my nitrate/trite.my lfs said that it looks as if its doing a mini cycle.how does this happen? don't have the exact parameters and i recently changed substrate to sand with some rock which was in the tank be for the change.im adding once a day "cycle" and on water changes i use cycle,stress coat and api salt...wtf im sorta flipping out as to wondering why that tank would randomly start to cycle again.any help is appreciated.
What size tank and what filter (s) do you have to start off with? What are the fish in the tank?
Am not sure what you mean by this "my ciclid tank has been out of cycle for about 4months now but has been up for 6" Can you explain it more please.
Changing the substrate for one will nearly always send the tank into a mini cycle unless the tank is heavily planted. Simple reason is a lot of the good bacteria reside in the substrate as well as the filter.
as for the up for 6 months.i set it up 6 months ago during this 6 months it took 2 months to fully cycle.so it has been done cycling for 4 months. filters are aqua clear 70,aquan 30, aqua clear has bio max.
55 gallon long
5 electric yellow ciclids
4 african ciclids
2 unknown ciclids
2 balla sharks
2 red devil ciclids
1 rainbow ciclid
1 rainbow shark
1 bumble bee catfish
1 cat shark/columbian
no plants but i did use some rock from the tank befor i changed to sand.givin it the rocky beach look.
ny one?taz where you at bud??
You changed the whole substrate in one go? Probably you lost lots of nitrifying bacteria if so, and that's why you're seeing ammonia and nitrite.
Changing the whole substrate at once is more likely the cause of the mini cycle. As mentioned a ton of good bacteria will have been moved in the changeover.
In terms of cichlids you are way overstocked for a 55g tank, 12-15 fish max in a 55g not 20, you also have some bad mixes of fish there, sorry to say.
The red devils unless you plan on upgrading the tank within the next 6 months will have to go as they need at least a 125g as they get to 16", they are also extremely aggressive, grow fast and produce a ton of waste.
Bala sharks are very hit and miss with Cichlids, sometimes they work, sometimes they dont.
Purple one with a yellow tail is a Pseudotropheus sp "Acei"
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