What can I cure my hibiscus? Mi hibiscus has spider mites on the soil, how can I treat...

Mi hibiscus has spider mites on the soil, how can I treat it? I already treat the leaves beside Insecticidal Soap.

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Answers:    Remove the first one inch of soil and spray remaining soil area near the insecticidal soap and top up with fresh potting soil and discard used soil.

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Can you increase the humidity where on earth you keep it? Spider mites aversion that...

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