salt and pH test

[ashdavid]

This is backwards, CO2 Lowers Ph!!!! it creates carbonic acid. Tap water sledom if ever lowers In Ph when it stabilises. It almost always raises.

Whops, I wrote it backwards, if you look at my posts before I had stated it correctly, I typed it the wrong way around and didnt proof read it sorry, but you already knew that didn't you Dave.

 

[daveedka]

Whops, I wrote it backwards, if you look at my posts before I had stated it correctly, I typed it the wrong way around and didnt proof read it sorry, but you already knew that didn't you Dave.

:

We all have our moments and days. I was fairly certain you knew what you were talking about and just mis-stated the situation. :coffee2:
dave

 

[mrakins]

Definitely agree with what's been said--the most likely reason the pH is dropping is the use of the carbonates by the fish. The absolute least likely reason is the salt, unless you have some oddly contaminated batch, which really doesn't move the scenario above least likely. I'd not remove the salt--that can only help your fish for the time being.

Adding baking soda can most definitely increase your pH above 7. Personally, when mine's been getting down to 7, I've been adding baking soda to bring it back closer to 8 (I'm fishless cycling, so I don't mind the sudden changes).

 

[mooman]

This question is a little off topic for this thread, but what is the difference between the saltwater/freshwater ph tests that came with my kit? Are they just high/low range tests? Will the saltwater test give me an accurate reading in my Tang tank?