Can rainwater raise fish?

Of course. However, attention should be paid to its acidity and alkalinity, and PH test paper can be used to measure the value. Neutral rainwater can raise fish, and the rainwater is weakly acidic or polluted. Don't use rainwater to raise fish. Fish farming is not strict with water quality, so it is not necessary to change water every day, but the water quality should be kept clean. Weakly acidic rain can induce various diseases of fish.

Rain can raise fish, but pay attention to its pH value. You can use PH test paper to measure the value. Neutral rainwater can raise fish, but it is generally weak acid or polluted. Try not to use rainwater to raise fish. Fish farming is not strict with water quality, so it is not necessary to change water every day, but the water quality should be kept clean. Weakly acidic rain can induce various diseases of fish.