HELP please!! SOS =( ph crash again.

[rrkss]

Keep your pH low while your tank has ammonia. It will keep the ammonia in the non-toxic form while you resolve the filter crash problem first. If you bring the pH up above 7, you will kill your fish by ammonia poisoning.

 

[terror]

kH of 3 -4 is low but to be honest I have a similar kH and my tanks remain pretty stable.

there could be something in the tank which is altering the pH but if the kH is dropping it may be precipitating out .

you have used crush coral are you using a staging tank for water changes? you may need to do that is the kH is unstable.

you can use crushed coral in the staging tank. you may also want to look at buffers to add to the tank too.
do you have a gH reading?

thanks what would be good buffer?
my other tanks don't have dropping ph problem. only this big tank. and it doesn't have any decoratiosn anymore.

Keep your pH low while your tank has ammonia. It will keep the ammonia in the non-toxic form while you resolve the filter crash problem first. If you bring the pH up above 7, you will kill your fish by ammonia poisoning.

thanks. I'm currently using ammolock to convert ammonia to ammonium.
I'm also afraid if i don't get the ph up. my fish might die of ph.

 

[terror]

btw any way to adjust kh without affecting ph?

 

[AquariumFish]

(wish I could click on watch thread without posting)

Good Luck ... here to learn, too ...

 

[ThePBM]

0 nitrate you say? interesting.

 

[rrkss]

thanks. I'm currently using ammolock to convert ammonia to ammonium.
I'm also afraid if i don't get the ph up. my fish might die of ph.

Ammolock will protect the fish. I used it in an emergency when my ammonia went to 7 ppm when my fully stocked tank crashed. The problem with ammolock is that as long as I used it, the biofilter did not re-establish. You are going to have to keep your ph and ammonia low without the ammolock until the biofilter starts up again. The fish won't die from low pH unless kH goes to 0.

 

[AquariumFish]

in stead of a chemical try using a carbon filter

 

[zanytomato]

Ugh... condolences terror. Sounds like your cycle has crashed on top of things.

What is the source of the crushed coral? It was someone on here who told me that they are not all created equal... and may not all equally contribute to your buffer. My kh sits around 1-2 (0 without coral in there), and I've never seen crashes as large as you are describing. Where is the crushed coral located? If it's that much it's probably not in your filter. Placing some in your filter, though, does force the water over it and can increase absorption, in my experience.

If you do a search for threads started by me, you will see the advice that I have received on this issue, too.

Good luck! There's few things as frustrated as feeling out of control with your ph!

 

[J double R]

Ugh... condolences terror. Sounds like your cycle has crashed on top of things.

What is the source of the crushed coral? It was someone on here who told me that they are not all created equal... and may not all equally contribute to your buffer. My kh sits around 1-2 (0 without coral in there), and I've never seen crashes as large as you are describing. Where is the crushed coral located? If it's that much it's probably not in your filter. Placing some in your filter, though, does force the water over it and can increase absorption, in my experience.

If you do a search for threads started by me, you will see the advice that I have received on this issue, too.

Good luck! There's few things as frustrated as feeling out of control with your ph!

his crushed coral is in a 75g sump which is the filter for the 300g tank.

 

[AquariumFish]

you use crush coral in FRESH WATER sumps?