HELP - pH problems!!
My 45 gal is newly setup. I've had nothing in it for a week - simply substrate, water, rocks. I added "stability" for 4 days and then added 4 zebra danios and 3 ghost shrimp. In the last 3 days, my pH is dropping steadily. It is generally @ 6.7 - and now it seems to be hovering around 6. Can anyone help me on this? I bought a snail (nerite) and I think it died overnight. I do have a lot of algae starting to cover the glass everywhere. I have been consistently checking water params, and I've still got 0 ammon. and 0 nitrites.
Thanks - I need help!!
what is the ph of your tapwater? - its best to let it stand for 24hrs before you test it i believe
What are you using to test for ammonia, nitrite and nitrates. Liquid test kit, such as API is best
My tap water is supposed to be around 6.7 - I'll be checking it again today as I have done what you're suggesting - letting some tap water sit for 24 hours. I do use the API testing kit. -- thanks!
are you adding CO2 to your tank?
do you have "peat" in your filter?
No to both of those questions - I'm not "advanced" enough yet... ;)
Peat and CO2 are two things that will work to lower your p.h. But, since you're not adding either of those to your tank thats not the problem...lol.
I know that certain types of rocks will effectively raise your p.h. Limestone is one such rock. *CAUTION* i don't know how much limestone will raise your p.h. a little may go a long way.
How long do you run your lights a day?
cmc29 - I like the photos of your tank :) what kind of fish is the long thing with stripes? I would like my tank to look a little like yours :) Are those plants quite hardy? What kind are they?
I run my lights 12 hrs day.
Driftwood can lower ph, it is also common for the ph to lower slowly over time in any tank. Unless you are trying to keep africans or something that required 7.0-8.0 ph I wouldn't worry too much. As long as the ph is not changing drastically over a short amount of time it shouldn't affect the fish.
If you want to you can try using a buffer to raise your ph, but I tend to steer clear of buffers because I don't really want to have to keep up with it.
Pierce, I responded to your PM before seeing this thread, so I'll continue here.
All aquaria tend to acidify over time. The extent this occurs depends upon several things: hardness of your source water (tap water), objects in the aquarium that could affect the water (calcareous rock or gravel, bogwood, leaves, live plants), substrate material, fish foods, and fish load (type of fish and numbers). First thing we need to know is the hardness of your tap water; rather than wasting money on another test kit, check with your water supply people, some have websites with a chart of the water analysis or they should be able to answer you directly.
As for the acidification, this can be a very good thing if you intend keeping soft water fish. Most of the cyprinids, all of the characins, most catfish, and all dwarf or South American cichlids prefer soft water that is slightly acidic. And live plants tend to all come from such water naturally. Alternatively, hard water fish such as livebearers and rift lake cichlids will need to have the water hardened and made alkaline, and this can be done fairly naturally. If you tank is lowering as you describe, I would expect your tap water to be quite soft, but I'll wait for the numbers before suggesting what if anything may be advisable.
I am blessed in Vancouver with very soft water, the GH and KH is < 1 d out of the tap. The pH is 7, so in my aquaria it lowers easily to 6 or below. Which is great because I have all soft water fish and most are wild caught. And the photos indicate how well my plants grow in this water.
There is a Red Tiger Lotus in a picture on one of my tanks as well. It's a great plant. It was easy to care for and grew very quickly always sprouting new leaves.
The benefits of live plants are virtually limitless. The water quality is much improved. Fish love the plants.
If it were my tank i'd probably dial down the lights to 10 hrs a day and see if that helps your algae issues. :-)
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