1, to prevent mosquito bites (mosquitoes can be said to be natural enemies of soft-shelled turtles, and soft-shelled turtles will certainly not live long after being bitten);
2, change the water frequently (the tortoise is afraid of mosquitoes, and the second is afraid of dirt).
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The above is a detailed introduction to the fresh-keeping methods of fresh turtles. I believe it will bring you a lot of help. In fact, both methods have their own advantages and disadvantages. Specific choices can be referenced by yourself!