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Discussion Starter · #1 ·
Today I did a water change for the second time as my tank is only a few months old. I followed the same as first time, which went well. This time not so much. Within minutes of adding new water all the fish went to bottom and were barely moving around 1 was dead within a half hour. I ran over to the fish store for them to check the water and PH reading was 7.8. It is usually around 8.4 so I believe they went into PH shock. By the time I got home all of them were dead. But on second look I found 2 that were hiding in the cave that were still alive barely. I have added more PH buffer and Cichlid salt and the 2 fish have finally started to swim around and up to the top. I am hoping they will recover and make it through. Can someone please give me any pointers on water changes as I do not want this to happen again. I have a 30 gallon tank and have changed 5 gallons at a time. I have used tap water and then added the PH buffer and Cichlid salt. Thanks
 

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I don't think it is the pH. Are you adding a de-chlorinator / de-chloramine solution like Prime when you do water changes?

If not, it is more likely that is the cause of your fish dying rather than a pH change. Also, your pH should not vary that much in the first place. If it is showing that much of a difference (since the water always comes from the same place - the tap) then you are probably not changing the water often enough.

Reply back to this thread please, and let us know if you use any solutions when you change your water, and what they are.
 
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That was only your second water change in a few months? You should really be doing them weekly...

Anyway, like gbleeker said did you remember to add dechlorinator?

~Ed
 

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As Ed said, if you aren't changing them at least every 2 weeks (minimum in my mind) that could easily be a problem.

But, if they have lived, then the more important problem is when you do change the water - are you using de-chlorinator!?

Also in a 30 gallon tank, you probably want to change at least 10 gallons. 15 wouln't hurt especially if you wait 2 (or gasp...3 or 4) weeks. I highly, highly advise changing the water at least every 2 weeks or better yet every week.
 

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Discussion Starter · #5 ·
I am new to this but was told to change water once a month and the fish all seemed fine until this. I have not used a de-chlorinator / de-chloramine solution like Prime with the water change. I only used that with the initial tank setup. Are you supposed to put those drops in the new water you add or straight in the tank ? Thanks for the information I will use the Prime and increase the changes to every week or two. I have done a lot of research and have asked a lot of questions at the fish store but have had a lot of different answers.
 

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alittlefishy said:
I am new to this but was told to change water once a month and the fish all seemed fine until this. I have not used a de-chlorinator / de-chloramine solution like Prime with the water change. I only used that with the initial tank setup. Are you supposed to put those drops in the new water you add or straight in the tank ? Thanks for the information I will use the Prime and increase the changes to every week or two. I have done a lot of research and have asked a lot of questions at the fish store but have had a lot of different answers.
In most areas, it is critical to use a dechlorinator every time you do a water change. It is highly likely that is the cause of your problems. I attempt to do a water change every week, though at times it is once every two weeks. The more often you can do a water change, the happier the fish will be.

A good fish store, with knowledgeable people can be a great source for information. Unfortunately, those are few and far between.
 

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Is it possible to change your water too much? I was just curious, I do about a 20% weekly. Also, does your good bacteria live in your substrate as well?
 

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Most of the beneficial bacteria will live in the filter and on the gravel/rocks.
You can do a 50-75% water change if you need to as long as you're careful with temperature and remember to use additives where needed.
In principle you could do a 100% one, I've set up new tanks by filling them with water, getting the temperature right and attaching a canister filter from a running tank. Then you can add fish right away as long as they're not super fragile.
 

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underdogg101 said:
Is it possible to change your water too much? I was just curious, I do about a 20% weekly. Also, does your good bacteria live in your substrate as well?
You can do 100% water changes as long as you do it right... but as alittlefishy has found out, you must pay attention to the water parameters, dechlorinate, match temps (within reason) etc.

Sorry about your losses. It happens...
 

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I think it's best to add the Prime or whatever decholrinator to the water before you add it to the tank & use it EVERY time you add water. I forgot one time when I was in a hurry and it didn't hurt my fish but I have well water with no chlorine in it.
 

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Dewdrop said:
I think it's best to add the Prime or whatever decholrinator to the water before you add it to the tank & use it EVERY time you add water. I forgot one time when I was in a hurry and it didn't hurt my fish but I have well water with no chlorine in it.
Prime's cheap, so you may as well use it! :thumb:
 

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Darkside said:
Dewdrop said:
I think it's best to add the Prime or whatever decholrinator to the water before you add it to the tank & use it EVERY time you add water. I forgot one time when I was in a hurry and it didn't hurt my fish but I have well water with no chlorine in it.
Prime's cheap, so you may as well use it! :thumb:
I use Jungle brand Start Right (even though with well water I may not need it) but will look for Prime and if I can find it will have it on hand for when I run out of the one I'm currently using. What company makes Prime? I know alot of people use it, dunno if it would be any better or not but if it's cheap....lol. I paid $14.99 for a 16oz. bottle of Start Right.
 

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Seachem makes prime, you can look it up in the review section, 8.5oz treats 2500 gallons of water and as a bonus it detoxifies amonia!
 

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With well water you have a higher chance of having heavy metals in the water. Levels that are low enough to not harm us, but can be harmful to the fish long term. Prime, by Seachem, also binds heavy metals.
 

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shimby said:
i have a &@g bowfront and do 20% water changes every 2 weeks. I use stress coat + by API. I haven't heard anyone mention this. Is it any good?
i use stress caot in my 55 gallon and i do not use a dechlorinator *** tested the tap water and it has no chlorine in it i do partials once a week sometimes if im busy i do it evry two weeks and have not had any prblems only had a problem a month ago with nitrates but fix that problem with a 90% water change . :fish: :fish: :fish:
 

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Stress Coat is not bad. It binds chlorine well. It states that it also does chloramine, but you need to use a higher dosage and it doesn't detoxify the ammonia (from the breaking of chloramine molecules).
 

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i use prime because our chloramine levels go up and down when it rains...

The prime detox's ammo and removes chlorine and chloramines...

I use double doses if it has rained within a week. Never have any issues at all. Its a cheap good product.

But it smells like a big fat turd.
 

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Contains Aloe Vera, nature's liquid bandage, to prevent the loss of essential electrolytes and protect damaged tissue against disease-causing organisms. Helps heal torn fins and skin wounds
Fish do not need Aloe Vera. This is just going to add to the bioload of the tank. I personally use Prime and would not recommend any other product.
 
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