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Discussion Starter #1
just set up a 75 gal tank.
I used some course sand from another established tank, and it's been running for about a week and half now with no fish.

the ph is off the scale high, even after a full bottle that treats 400 gal , there seems to be no change.

I want to have a community tank with guppies , daino's and tetras.


I was thinking maybe trying to drain and refill the tank use the faucet water filter(like britia)
would that filtering help remover the minereals that are causing the high PH

THANKS!
 

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What is the pH? Why is it too high? I keep guppies at 7.6-7.8 with no problem.
Better not to alter your tap water, so when you do your partial water changes you do not get a big swing in pH. The fish you named will do fine in most cases without altering pH.
Start slow and give it a try.
 

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Discussion Starter #3
the PH is off the scale high on a dip strip, I know we have hard water / high PH around here.

I was reading about the minerails that make the water hard and was thinking that the faucet filter would help that .

thanks!
 

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Ph seems to be one of the water parameters that can be a little out of whack and the fish can adapt to. I have a 75 gallon fresh that has been running since the beginning of October. Ph test about 8.2-8.4. I have tetras, danios, 2 bristle nose, and plattys. The all have seemed fine since I added them. In my opinion it is better to have PH a little out of what then to try to use chemicals to adjust it. That can cause problems. Also driftwood will slowly lower Ph.
 

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Discussion Starter #5
might try some "test " fish , but I feel like Iam giving them a death sentence.
 

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PH on my FW palnted tanks is 8.4-8.8 with the api high range test kit.

neons, guppies,platys thrive at the ph.

PH rises as carbon dioxide is removed. Which is hardly a bad thing for the fish.

So to me the value of the pH is not the critical thing but what got it there.

my .02
 

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Discussion Starter #7
well, we got fish! *w3

10 neon tetras
10 long fin danio's
3 fancy tail guppies
3 glo-fish(looks like hybird danio with neon colors)

but with a 75 gal , you still gotta look for the fish , tank looks empty still
 

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They'll probably be fine; let us know how they do. Stable pH is more important than the "correct" pH. What is your pH at now (actual value)?
 

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Discussion Starter #10
looks like 8.4 (highest reading on scale)

lost all 3 guppies and 1 glo-fish
 

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Sorry to hear that Oncea3fan. I'm in my first week of cycling my tank and I'm noticing my pH is rather high...8.2. I'm considering adding driftwood to lower it a bit. The problem is I don't know how much it'll help and if it's bad to add it and lower the pH while the tank is cycling!

*c/p*
 

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Reading back on your original post, did you cycle your tank before adding all these fish? If you had not cycled it yet, the sharp ammonia spike from adding a large amount of fish would kill some of them.
 

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Discussion Starter #15
yes using test stripes to test.
I test the water cooler water and found it to be 7.4. I "barrowed" 5 jugs from work and did a partail water change, ph. is down 7.8 - 8.0, in a few week I'll another 25 gallon change.

I haven't lost any more fish.
when I set up the tank I used some old filter with "gunk" on them, and also sand/gravel from the same tank, this was my father in laws set up and was tore down for a few months.

I will take a water sample to my local fish store before adding any more new fish
 
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