03-28-2011, 02:17 PM
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Originally Posted by Byron
Eco-complete will temporarily raise the pH slightly. I didn't know it would raise it from 7.2 to 7.8, but they do mention that it will raise it initially.
I would do nothing. I assume there are no fish in the tank yet; if there are, adding any chemical substance to alter the pH can be very detrimental. The pH is what it is due to any number of factors, and many of these have buffering capability preventing pH changes. The pH adjustment stuff lowers the pH, then within 24 hours the buffering agents raise it back. The resulting pH fluctuations can be very stressful on fish, some more than others, and lead to permanent damage and even death.
To the other question, will it come down; yes, probably. In any aquarium, the natural biological processes produce CO2 which produces carbonic acid and as this is an acid it tends to lower the pH; the rate depends upon other factors. Chief among these is the hardness of the source water; the harder the water, the more it acts as a buffer to maintain the pH where it is initially. Calcareous objects (rock, gravel, Eco-complete presumably) will work to increase the mineral content and thus increase the hardness and raise the pH accordingly.
Once the Eco-complete has done its thing, that source will be ended. You are then left with the hardness in the source water. This will determine if the pH falls below 7.2, and if so, how fast it will occur.
It is best to let all this sort out on its own with no interference. As I mentioned at the start, adding pH adjusters does not always work long-term due to these other factors. Fish if present are much better at adapting to pH shifts that are natural and thus slow. Substantial fluctuations especially if done quickly weakens the immune system (via stress) as well as causing internal issues for the fish who must regulate its blood pH according to its environment (the pH of the water).
Okay Thanks Byron and No there are no fish in there right now. As of right now I am not sure when I will be putting in the fish? Not sure if I am going to use a couple to help cycle the tank or use a different method of cycling the tank then put in some fish or not. Once I get it planted will decide then. I don't really like the idea of adding chemicals to the tank unless I have soo I will let it cycle and keep checking the lvls and go from there. Thanks again for the helpful info!!
Last edited by Boredomb; 03-28-2011 at 02:25 PM..