PH Crash

calivivarium1

Finished the fight
May 5, 2008
1,432
25
51
Fresno, California
While waiting for my poor man's buffer to arrive in the mail, my tank's ph crashed yesterday. I am not sure when exactly it happened, but I noticed that my fish were acting funky at about 10pm. I quickly killed the CO2 and added a powerhead with an airline. This morning everyone appeared to be okay.

My question is this: While I wait for my buffering stuff to arrive, can I put my CO2 back on(at a lower rate) or should I keep it off?
 
How much cheaper can "poor man's buffer" be than baking soda? Baking soda is the only thing I use to buffer the water, and it seems to have been doing the job quite well for the past 18 months. You can get a really big bag of it at Costco or Sams Club pretty cheap. I've been using the same bag for the last 18 months and haven't even made a dent in it.
 
Before CO2 is 7. AFter CO2 the lowest I had measured(my regulator isn't perfect..) was 6.4. After crash... my ph kit didn't even test that low. Poor mans buffer, I should have been more clear, is this. Its the Barr's GH Booster
 
I learn something new everyday. So, I DONT need magnesium? I will try and cancel my order and will go pick me up another thing of baking soda. I will look for the calculator, but if anyone has it handy...
 
Sorry caliv, I know there have been links to it in the planted tank section, and I believe jmhart has it handy. I have no clue where it is or which one is correct(google is bound to have some), though.
 
So.... does this calculator sound right? My problem is... how much do I want to raise my kh? Just a small amount, 2-3 degrees?
 
I would just get a big handful of crushed coral and put in a filter bag and place it in the tank or the filter. That will buffer your ph and you won't have to change it for a long time. With baking soda, you have to add it with water changes. Correct? I had a ph problem, until I added the crushed coral and now it's stable.
 
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