Question while lowering Ph
I'm waiting to purchase 2 German Blue Rams, while I get my Ph lowered. My tap water has a GH of 10 and a ph of 7.8. I've been doing 50 percent WC every other day, using RO water with a ph of 6.4. Obviously, this is a process that won't happen overnight. I don't want to use any chemicals, but do have bog wood and many plants. I have no fish or anything alive in the tank at this moment. I'm worried this isn't good, but the fish store guy says it's fine. Don't I need some type of life to keep my fish tank healthy? Is just having fish poop and whatever in the filter enough for the bacteria to continue? My tank has been established for many months and has parameters currently of 0 ammonia, 0 nitrites and 5.0 nitrates. The tank has been empty for 4 days, when I changed it over to sand, taking out about 75% of the water to do this. I swore after washing sand for my other tank, I'd never do it again. . . but I did! I'm a bit worried about putting my tank into a mini-cycle, though so far there is no evidence of this. Any advice on whether to take one of my fish from my other tank (I'd pull the female Opaline Gourami) and put her in this tank, while I do water changes, replacing with the RO water to lower Ph or just leave the tank empty?
Thanks for the help!
Get a shoal of 4-6 phantom tetras (or any other hardy, inexpensive tetras) to make sure your tank is fully cycled. I've cycled all but one of my tanks with black phantom tetras and have never had any die.
If this tank is a salt water tank and are planing to put coral and live rock and other stuff it would be important to wait for everything to be at a normal level. But i would pull out one fish from another tank(least fav fish). I would then let the fish just stay in there for a while and do waterchanges often,that should help the problem.
First, bacteria can remain in "suspended animation" for long periods provided they are kept wet (nitrifying bacteria will die if dried out), warm (tank heated normally) and water circulates. I'm not sure just how long, but it is long.
Second, and actually more important, you have live plants. And with lots of plants, you do not need or want too much nitrifying bacteria, and once you introduce fish, the plants will easily assimilate the majority of ammonia. Plants out-compete bacteria handily.
I sometimes have a plant-only tank sitting with spare plants, daughter plants growing out, etc., with no fish, just some Malaysian Livebearing snails (I have dozens if not hundreds of these in every tank;-)). I keep the filter (sponge) and heater running, and of course the light. I have had such tanks run for several months without fish. Then when I buy some new fish that I want to QT, or need to move something out of one of the other tanks, I just dump them in. No problems, as the plants handle everything.
On the suggestion of fish, I do not recommend using any fish unless it is something you want in the finished tank. That would be fine. Otherwise, let the tank sit as mentioned.
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