Just one fish and it happens everytime I change the water. It's different kinds of fish too. Once a platy, then a rainbow fish, etc. I dechlorinate and put the new water in slowly and at the right temp. It's just so weird. Any tips?
Answers:
do you check the PH of the water before you add it to the tank?
it needs to be the same PH as the water already in the tank, and tap water PH changes daily so you need to check it EVERY time you do a water change.
PH fluctuations will kill fish.
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because you need to keep some of the old water in as well. Like dont take all the old water out.
The best thing to do is to find a clean un-used bucket put water in it leave it there over night (24 hours) then the clorine naturally goes away.
Also your hands may have soap on them... or cologne?
Leaving some of the old water is also a great idea.
they say best is to dain 1/3 of the tank water and to change it every 2 weeks
good luck
I think you may put in water that is too cold, you must add tepid water, not cold, not hot.
How much do you change? If it is more than 20%, most likely you'd disturbed too much of the bacteria that break down waste and have an ammonia spike.
Howo big is your tank?
i think ur putting cold water or something .. try warmer water .. and obviously u have to put this things u put when u change water ..
i think one of them is oil and the other is algae (few drops of each)
the first thing (the oil) will de-chlorinate the water so it doesnt kill the hell out of them and the algae is just to make ur tank look discusting !! by they seem to love it so why not !
It may be that there is some kind of bacteria in the tank and it isn't necessarily the water change that is killing them. Make sure all the fish are compatible in water temperature, food requirements, pH etc. Do your water changes slowly, so as not to disturb the substrate in the tank. You need to be sure that the pH, temperature etc are all the same. Make sure you have a water bucket that is only used for your fish. Aging the water is better than using the dechlorinator in it. Temperature is important, so if you have a heater on the tank, be sure the water in the bucket is the same. Do not use hot water from the tap to get the water to the same temperature since that can bring up chemicals from your pipes.
when u change the water try to change 20% - 30% of the water every week, but make sure that the ph and the temperature r of the new water as same as the water in the tank. u can use dechlorine , but in my tank i always use ro water so i dont need 2 use dechlorine and check the ph, cuze my ro water is around 6.5 to 7, i only heat the water until the temp equals the main tank.. i do that with my discus tank and nothing wrong ever happened...
Need more input here. What size tank? Have you had the water tested recently? Are you dechlorinating and letting the water sit for a few days before you use it? It's very possible that you have water quality issues and your fish are getting acclimated to them and then when you change the water you are changing the water quality just drastic enough to kill some off. Even changes for the better are still drastic changes if done too quickly. Take some water to the local pet store for testing. If it tests good then drop your water changes back to once a month (if you're not already) and maybe try adding some "Cycle" to the tank at the time you do the changes. It helps put back some of the beneficial bacteria.
Hope this helps!
You're doing everything right. Dechlorinated water at the same temp as the tank water should not cause shock. What size tank is it and how many fish do you have in there?
The ONLY thing I can think of is that if the water is in really poor condition from overstocking or not frequent enough water changes, is that when you add the good stuff, it's too much of a change from their current conditions. If they're already stressed or sick, it could cause shock.
I know of someone who inherited a guppy tank that was full the the brim with guppies, algae and other yuck. Doing 50% water changes ended up killing off all the guppies trying to get them into good conditions.
Oh! One more thing: what about the filter? When you're changing the water, are you cleaning out the filter? If you're doing it in clean water, you're killing off all the nitrifying bacteria with the chlorine in the water. You need to clean the filter media (sponges, bioballs..whatever) in the tank water you've taken out. Keeps the temp the same and no chlorine :)
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