Cycling - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 06-09-2020, 04:21 PM Thread Starter
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Cycling

Hello I am setting up a a new discus tank which is all new to me. The tank is up and running I have added seachem stability and ammonia as I was advised to.the thing is. My Tap water PH is 7.3 But the water in my tank is reading 8.4. Do the chemicals cause this or is it normal for a new tank/filter. I know it will take weeks/months for the filter to mature I was just puzzled by the PH differences.thank you.
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post #2 of 4 (permalink) Old 06-09-2020, 04:29 PM
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@Deanna can help you with this.


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post #3 of 4 (permalink) Old 06-10-2020, 12:17 AM
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Originally Posted by Pip View Post
Hello I am setting up a a new discus tank which is all new to me. The tank is up and running I have added seachem stability and ammonia as I was advised to.the thing is. My Tap water PH is 7.3 But the water in my tank is reading 8.4. Do the chemicals cause this or is it normal for a new tank/filter. I know it will take weeks/months for the filter to mature I was just puzzled by the PH differences.thank you.
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Are you adding anything other than the ammonia (what is the ammonia source) and Stability?

What type of substrate do you have and what type of media do you have in your filter?

Do you have anything in your tank that might leach bicarbonates, such as rocks, shells, etc.?

If we determine that nothing else is being added and that you have an inert substrate (and nothing is tagging along with the ammonia), the only thing that I can think of is that tap water usually arrives with a fair amount of CO2 in it. This will lower the pH. Over time, the CO2 leaves and pH rises to wherever the buffering puts it. To test this, leave some tap water sit out for a day or two, separately from the tank water, then measure the pH of that glass of tap water to see how much the pH has risen and compare that to the pH of your tank water.

Any chance of getting a KH reading on your tap water and your tank water?
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post #4 of 4 (permalink) Old 06-10-2020, 07:48 AM Thread Starter
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Hiya .my substrate is white silica sand,fluval fx6 filter with sponge and fluval biomax.i put in the recommended amount of dr Timís ammonium chloride plus seachem stability.the only thing in the tank is the sand,and the kh is tap 12 and tank 13. Itís all new to me so I really appreciate your help.
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