need help with water parameters - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 07-19-2011, 11:59 PM Thread Starter
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need help with water parameters

I have had my 20g long setup for about 3 weeks and didn;t add anything to the water. Just have rocks, substrate and water in the tank.
Here are my water parameters for the tank currently.

Nitrites and ammonia are at 0ppm but my PH is a different story.
the PH my have been from the DI water I used or when I added the rocks.

I could get some PH Down solution but before that route I might just do a 20% water change with my DI and see if this lowers the PH.

Another concern is which water source to use. I hear some people like to use tap water becuase they have to go threw the trouple to add all the lost minerals in RO/DI. But if you TAP has crazy levels of ph/KH then its beeter off just using DI.
Here are the results from my tap water compared to my DI water purachesed in 1 gallon jugs from Walmart.

It clearly shows my tap has a ph of 8.3 and my DI is at a low 6.0 (far Right)
Should I use the Tap or the DI for water changes for now on?
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post #2 of 7 (permalink) Old 07-20-2011, 04:53 PM
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well either way you are going to be adding something.. ph decrease or ph increase+ minerals if u go ro way. i always vote tap as it has minerals and carbonates in it. one less thing u have to do to change it

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post #3 of 7 (permalink) Old 07-20-2011, 06:29 PM Thread Starter
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If. Choose to to use my tap. Wouldn't the high level of ph be a bad idea to add. I haven't tested the kh or gh on the tap yet. I know I would have to add a dechlorinater
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post #4 of 7 (permalink) Old 07-20-2011, 07:10 PM
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I use RO and its worked out well for me. In San Diego, our tap is so high in PH and hard, that it was nearly impossible to get it down to the level i have it at in my tank. I change 20 gallons of RO every 2 weeks on my 50

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post #5 of 7 (permalink) Old 07-20-2011, 08:14 PM Thread Starter
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Well im really wanting to keep neon tetras but they thrive in lower ph water. I know keeping a more stable ph is the most important rather than trying to aim for the recommend ph. It will just be easier to use tap rather than adding minerals to to or di that could fluctuate.
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post #6 of 7 (permalink) Old 07-20-2011, 08:16 PM
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di water wont fluctuate if treated properly. ii do know that much

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post #7 of 7 (permalink) Old 07-20-2011, 08:46 PM
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Select species that like your tap water. Assuming the tap is reasonably consistent.

Otherwise, you will need to adjust one way or the other...in which case, you just flip a coin. Calculate the cost of both options and go with what's cheaper (or faster/easier, if time is money)
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