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3237 Views 10 Replies 7 Participants Last post by  gpodio
Can you add vinegar to water to lower the PH before adding it to your aqaurium? Is it safe? I understand its not good to lower the ph to much in a short time but is vinegar safe for aquarium plants and fish?
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Simpte 27 said:
PH almost 9.0 GH 38 KH 18. Who needs gravel in a tank with water like that?
Nothing will lower the pH unless you lower the KH first.
You can use RO or rain water and then inject CO2.

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