Rooibos Tea Story

[BillT]

Cool tests!

[Mugwump]

..nice work, Dan...

I see that the PH drops rapidly with just a tablespoon of the tea.....that could be a concern as far as Angel acclimation, if not done carefully....big quick swings in PH aren't a good thing for Angel fish.

[wsantia1]

Occasionally I'll put 1 to 1.5 cups of Rooibos tea in my 150 with the Altums. That's the dose I got from Mike Troxell. They are always quite happy after I do it.

I haven't been using it too much lately though. Next time I do I will check the PH before and after I put in.

[Mugwump]

Occasionally I'll put 1 to 1.5 cups of Rooibos tea in my 150 with the Altums. That's the dose I got from Mike Troxell. They are always quite happy after I do it.

I haven't been using it too much lately though. Next time I do I will check the PH before and after I put in.

..... ....it'd be a nice comparison test....

[LizStreithorst]

I dump fish from a tank with straight tap into a tank dark with tea all the time.  It has never bothered the fish.

[wallace]

..nice work, Dan...

I see that the PH drops rapidly with just a tablespoon of the tea.....that could be a concern as far as Angel acclimation, if not done carefully....big quick swings in PH aren't a good thing for Angel fish.

I doubt if the pH is anything to worry about. The big pH shift is in a cup where the tea is concentrated. Notice that in my tank it only went down by 0.06 and that was over an hour's time.

What was strange is that the water having dKH=3 still had the same alkalinity (dKH=3) after the pH went down. That shouldn't happen except with CO2... the acid should have titrated the alkalinity down quite a bit. Maybe its because these are organic acids. Not sure.