High Toxic Nitrate!!!!!!!

[FishKeeper-16]

My Nitrates Are Out Of Control And I Did A Partial Change And The Guy At The Pet Store And He Said To Do A Partial Water Change In 2 Two Days So Will It Be Safe To Do Another Water Change Tonight AND WILL IT JUST CAUSE MORE STRESS IF I DO IT TWICE IN ONE DAY??? IT IS A 29G TANK.

 

[IndianaSam]

It won't cause more stress than high nitrates. Just make sure that the new water is the same temp as the water in the tank.

How much are you doing for a "partial" water change?

What are your stocking levels?

 

[Blinky]

FishKeeper - don't worry, you can change 50% of the water twice daily if you need to, it won't hurt the fish or the nitrifying bacteria in your filter media.
As IndianaSam said, be sure the new water is the same temperature as the old water, and you might want to check the nitrate levels in your tap water - sometimes tap water contains high nitrates, in which case you'll need to use another source of water to get your levels down.

 

[FishKeeper-16]

10 fish and 1/4 water change

 

[betta V3.0]

get some plants!

 

[FishKeeper-16]

i have some plants and the leaves are turning brown and that might be the cause of the high nitrate

 

[FishKeeper-16]

well i have a salfin mollie dieing and i think a velvet swordtail and i have lost a total of 2 fish in the past week but my zebra danios are tolerating it pretty well

 

[russjet]

how high are your nitrates

what are your other levels nitrite and ammonia

i have high nitrate in my water but my fish seem to be fine so i am wondering if your other levels are 0

and like blinky said it is worth checking the nitrates in your tapwater

if the level is ok or 0 in your tap water then you could try doing two large 50% waterchanges back to back this should dramatically decrease the nitrates

and post your other parameters so we can see if nitrate is your only problem

also give us the nitate reading of your tapwater

 

[FishKeeper-16]

I woke up today and no more fish have died yet!!

 

[daveedka]

Nitrates are not immediatly toxic !?!??
MAny fish live for years in water with nitrate levels far above 100 ppm. This is not good for the fish and indicates a general maintenance and pollution problem but does not kill fish quickly.
I would be testing nitrites and ammonia as mentioned, and checking into other issues. high nitrates do indicate high production of ammonia, and thus nitrite. this does not mean you have high levels of those two, but you may.

As far as your original question, as was said, water changes shouldn't cause stress. Just make sure your tap water matches your tank as closely as possible and do however many whatever size water changes you need.
Remove all decaying plant matter and vaccume as much waste out as possible. and feed very lightly if at all.
dave