New aquarium set up disaster?

I am not a novice, I am identifiable with wet chemistry, cycling, fish less cycling...

I not long moved across the country and set back up our two 55 gallon tank. One we set up immediately- we have two voluminous fish and they did fine. The actually spawned a few days after setting it up.

In my other cistern we were switching to live plants. So, we purchased a canister filter, different wishy-washy, changed substrate. Essentially started over. We set everything up and added a few tetras to begin cycling. I did everything I own done in times past, BUT within in the region of 15 minutes all of the fish died. Literally 15 minutes after they be transferred they all dropped late.

I have tested everything and can't amount it out. They weren't in the container long enough to even create a spike river chemistry. The water is like that we use with our other tanks- no problem.

I am at a loss. I enjoy driftwood from before that have dried out but is in in attendance now- could it have become toxic?Help!?


Answers:    It sounds close to some type of toxin to have kill them all that suddenly. Tetras are mostly hardy fish and even a significant change within pH or temperature wouldn't enjoy killed them that in the blink of an eye. The water would enjoy to be very cold or outstandingly hot for the fish to die that quickly. Is it possible something may enjoy gotten into the tank while you be moving, if not it may enjoy come in on one of the other components close to the filter or the substrate may have be contaminated in some means of access. I would tear everything down and rinse it all next to water single very throughly, procure rid of the substrate and replace it. Then set it back up and cycle again.

Your driftwood shouldn't be cause a problem if you have used it in the past unless it came contained by contact with something toxic. Soak it for several weeks shifting the water day after day to remove any toxins tt may have spellbound from the tank or come surrounded by contact with.
I know these are redundant, but enjoy to ask anyway :)
Are you sure you used a dechlorinator and didn't forget?

And, you slowly let them adjust to your cistern, floating the bag of fish surrounded by the water for the temp to adjust, later slowly adding wet for them to adjust to any ph differences? I usually take 45-60 minutes to do that. What loving of tetras were they? They're really not the best fish to use to cycle a container.

What's different in that container as opposed to the other one, as far as substrate, any chemicals, fertilizers, etc. ? Because next to them dying so quickly, something any shocked them or poisoned them. Don't think it be the driftwood, never heard of that going toxic.
This sounds similar to a toxin. It is possible your tank get contaminated with something during the move, or a core mistake in wadding the tank - used a mop bucket to verbs the water maybe ? My guess would be chlorine for an effect that fast, or phenol.

The lone other thing I could reflect on of for a 15 minute kill be a very extreme heat change, however it sounds resembling you are a bit experienced to fall for that one.
I'm going to be paid a guess here and say the idea they have died so summarily is because the water you own put them into, is different from the water you have where you be before.

Water companies use different funds and ways to clean thump water and so contained by this case moving across the country could be why.

But that doesn't explain why the two generous fish were fine and in reality spawned.

Driftwood can not become toxic in such a short length of time, even when it starts to grow fungus, it isn't ample to affect the full voulume of water.

The definate incentive I can see from reading the details again is your new substrate. Depending on what it is or be before it become a substrate, it could be leaching toxins into the water. Rocks can leach firm minerals into water over time, but gravel or sand can do it faster because of the larger overall surface nouns created by the smaller pieces. Washing it, which I imagine you did, would support, but then if its not a reputable branded type, it may leach chemicals or toughness into the water for months to come.

Alternatively, your hose down may be too clean. The removal of chlorine doesn't necessarily product your water undisruptive. Dechlorinator removes chlorine but nothing else and toughness and aciditiy levels stay as they be. Really well oxygenated wet can also kill small fish due to tiny bubbles covering the fish, which are immersed immediately into the bloodstream. Too much oxygen can snuff fish very well.
i seriously doubt it was the driftwood. you nouns smart enough to own dechlorinated your water, so its not that.
sounds approaching stress.

sometimes when you buy fish from a fish store, they can already be stressed from water conditions and shipment. so the work of bringing them home might have newly killed them.

hope this help

tom k
Weird.Maybe using tetras to start the cycle wasn't a good belief.I hear they are very sensitive.But even so, contained by 15 minutes,that isn't enough time to build up any toxins within the water.So I don`t know it was freshly the shock of being put surrounded by a new reservoir.Did they make the move near you,or did you buy them after you moved.If its the later,conceivably they were sick when you bought them.

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