Ph level of fish tank.

hey I wanna set up a tropical freshwater fishtank but my ph level is to high. I dont understand why as I have no fish in it. how can I change this??? help
Asked Feb 07, 2011
PH level is acid/alkalinity level where pure water is 1. You need to know what level the fish require and adjust the water to that level. Talk to the people at the tropical fish store about what you can put in it to make it acceptable for the fish.

PH scale chart:
Answered Feb 07, 2011
Disregard the previous answer.

Water is generally neutral with a pH of 7 or so. Depending on what fish you have, your pH needs may be different.

Fish that prefer acidic water usually like 6.2-7pH. Fish that like harder water usually like 6.8-7.5pH.

If your pH is not easily changing, it may be that your water is too hard - hard meaning many minerals dissolved in the water. You can buy water softener from your local fish store.

For a more permanent solution, you can buy a small piece of driftwood and leave it in your tank. It will help keep the water soft, but will turn it slightly tea coloured. This may be a good thing though, if you fish like soft water, they probably come from a tannic (soft, acidic water) environment which is tea coloured anyway. This would lead them to be happier in the long run. I can't say for sure, because I don't know what fish you want to keep, but it's often the case.
Answered Feb 03, 2014
I think Saltwater fish prefer 8.0 and freshwater fish thrive in a range from 5.5 to 7.5.
Here you can get tools to find out Ph level in water.
Answered Feb 21, 2018

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