Tropical Fish Keeping - Aquarium fish care and resources

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xrayjeeper83 06-02-2010 03:13 PM

water prameters
Finally got my test kit from my ex and did a test on my tank last night my results are as follows

nitrite 0 ppm
nitrate 5 ppm
amm 0 ppm
pH was like 8.4 and here in lies my problem. What fish can survive in that high of pH. The tank is planted with playsand as a substrate. I have a canister filter a magnum 220(iirc).

I do have this stuff that says it will changed the pH to 7(no matter if low or high) but if I can get some fish with out having to mess with extra stuff to put in my water I would rather do that.

I am getting my hardness testing stuff today and will test that tonight

xrayjeeper83 06-02-2010 04:42 PM

oh and temp is about 80

Byron 06-02-2010 06:40 PM

My main point in responding is to warn you against the pH adjusting chemicals. They usually don't work because the pH is determined (largely) by the carbonate hardness of the water which buffers it against changes. Adding a pH low product will drop it, but the naturally carbonate buffers will kick in and raise it back. Adding more just repeats. The fluctuating pH is worse on any fish than a stable one that may be somewhat out of the preferred range. If the afore-mentioned back and forth continues, at some point the acid being added may be sufficient to offset the carbonate buffering capability, resulting in a very sudden pH crash, and dead fish.

There are safe methods to lower pH, such as RO (reverse osmosis) or even peat and wood, but these depend upon the hardness; the latter is fine if it is low, but the harder the water the more peat and more often it needs replacing, so RO would be better.

As for the present water, rift lake cichlids would be fine, and most of the livebearers could handle this, although I'd like to know the actual hardness numbers first. If the hardness is low, the pH will naturally fall over time, and one can work with this to effectively lower pH.

There are a lot of inter-related issues, but the first thing we need to know is the actual hardness. Your water board should have this data available, and it will be more accurate than our tests.


xrayjeeper83 06-02-2010 07:08 PM

Ok so my thoughts against using the pH chem are right. Thanks

What do you mean my water board? Do you mean my local water company?

zof 06-02-2010 07:15 PM

Water boards are groups that manage the water resources in an area, the company is the one that actually distributes and sells the water, I would image both would post it but if you can find out who your board is they should almost certainly post it.

xrayjeeper83 06-02-2010 07:20 PM

alright guess its time to get searching

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