Established tank all fish died

I added the ammo-lock in the morning. Came home from work and the levels were back at zero. No change the next 3 days. In fact I tested the water after getting all the dead fish out and still zero. 16 days since last water change
I did not add full dose of chemicals. Probably a third of what the bottle said. I never use what the bottle says.
 
I added the ammo-lock in the morning. Came home from work and the levels were back at zero. No change the next 3 days. In fact I tested the water after getting all the dead fish out and still zero. 16 days since last water change.
Since dip strips are unreliable at the best of times, and we don't know what affect the chemicals used have on the test strips either, I would be stunned and shocked if your fish died from anything other than ammonia poisoning I'm afraid.
 
I did not add full dose of chemicals. Probably a third of what the bottle said. I never use what the bottle says.
This might be even more unfortunate... :(

Water changes are the safe way to deal with things like ammonia spikes, not bottled products.

But if you are going to use a bottled product, follow the recommended dose! Underdosing a product that you're relying on to lock the ammonia means the worse of both worlds... the chemicals, and then not enough of the product to do the job you want it to
 
Since dip strips are unreliable at the best of times, and we don't know what affect the chemicals used have on the test strips either, I would be stunned and shocked if your fish died from anything other than ammonia poisoning I'm afraid.
Since dip strips are unreliable at the best of times, and we don't know what affect the chemicals used have on the test strips either, I would be stunned and shocked if your fish died from anything other than ammonia poisoning I'm afraid.
Ok. Thanks. Yeah I'm trying to figure out what may have happened. That's what I was leaning toward. It was that or something bacterial. The ragged fins had me leaning there. I try very hard to keep my aquarium the best I can. Not coming here to get reprimanded.
 
Ok. Thanks. Yeah I'm trying to figure out what may have happened. That's what I was leaning toward. It was that or something bacterial. The ragged fins had me leaning there. I try very hard to keep my aquarium the best I can. Not coming here to get reprimanded.
Not trying to reprimand you!! I promise. I don't have a lot of time to type a long reply right now, was just trying to understand what happened, and I wasn't entirely sure on the timeline.

This is to help you for the future, not to beat you up! I've experienced a similar tank crash myself, so i'm truly not judging you
 
Yeah. Unfortunately I was unable to get it soon enough.
Learning to know for next time
Not trying to reprimand you!! I promise. I don't have a lot of time to type a long reply right now, was just trying to understand what happened, and I wasn't entirely sure on the timeline.

This is to help you for the future, not to beat you up! I've experienced a similar tank crash myself, so i'm truly not judging you
Thanks. I've had crashes in the past just not like this. 3 of those fish were my original fish so this really hurts. They've made it through blooms and more.
 
Yeah. Unfortunately I was unable to get it soon enough.
I've definitely done worse, wouldn't like to say how long I left my tank with my 1st child was born was in and out of hospital (all good now though) and I just totally ignored it for God knows how long. Now she's older and loves watching fish I've upgraded my tank and I am learning all over again.

There is so much information out there some of it bloody useless and untrue but hard to know what's what when so many things contradict each other.
 
Thanks mate, got myself a 125 dirt cheap.

Think I've possiblity got a bit of a bloom going on?

My water test kit should arrive tomorrow.

Also do you think my filter with provide enough O2
IMG_20210913_213046652.jpg
 
I think from whats been said I'd agree with people that it looks like ammonia poisoning over the course of a few days. Even at low levels .5 or .25 it can kill fish. Really sorry to hear you had some of these for a long time too.

I had a really big disease outbreak in one of my tanks quite a few years ago and lost a lot of fish really quickly and it is a punch to the gut when it happens infront of you.

Like above I'd recommend getting an API liquid test kit they are the ones most people go by so have a level of trust that is worth paying attention to.

I am curious as to what could have caused the ammonia in the tank though, I think if we get to the bottom of that you will have more success in the future. So if you don't mind a few more questions :)

How often to do you clean your filter? And is it internal or external?

Do you have a gravel substrate and how deep is it and how much do you clean it? A

re any of your plants doing badly and do you know if you have any terrestrial plants in there?

When you feed them is there ever food left over and if so do you remove it or leave it in there?

You mentioned about some difficult times when tank maintenance drops off (it happens to us all, pretty unrealistic to think otherwise) but when things are more settled what is your maintenance routine? Do you do weekly water changes etc? And when you do a water change how much do you each time?

Last thing to mention - might be worth just putting some food in the tank to rot now and feed the filter until new livestock is added.

Wills
 

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