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Old 10-20-2017, 06:48 AM   #1
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PH Down

I am hoping someone can answer a PH question. My PH is high, up around 8.5-9. I am going to use PH down but was wondering how fast is safe.

Also, when doing a water change, I see advice saying its better to put water in a bucket and lower it there. Then transfer it to the tank.

Iím just getting started and will need a water change in the next few days. Ammonia and nitrate levels are rising.



Thanks!
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Old 10-20-2017, 09:28 AM   #2
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Since your tank is cycling, the water parameters will fluctuate. Test the PH directly from your tap to get a more accurate reading. I wouldn't use chemicals to lower PH. The water won t stablize and will suddenly rebound back to the original mark. Once your tank has completely cycled and if the PH remains high, try lowering the PH naturally with driftwood. Note: if you are currently using limestone in your aquascape, it will raise the PH.
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Old 10-20-2017, 10:20 AM   #3
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You need to measure your KH before we can provide any meaningful answers on the effects of ph down.
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Old 10-20-2017, 10:51 AM   #4
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pH Question

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Originally Posted by DougInPA View Post
I am hoping someone can answer a PH question. My PH is high, up around 8.5-9. I am going to use PH down but was wondering how fast is safe.

Also, when doing a water change, I see advice saying its better to put water in a bucket and lower it there. Then transfer it to the tank.

Iím just getting started and will need a water change in the next few days. Ammonia and nitrate levels are rising.



Thanks!
Hello Doug...

If you're cycling your tank with a hardy fish species, they'll tolerate a higher pH as long as it's steady. Adding chemicals to change the pH is risky, because it's so difficult to maintain a steady change. During the nitrogen cycle, water changes should be no more than 25 percent of the tank volume when needed. This will keep the chemistry in a relative safe zone for the fish and still grow the bacteria colony.

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