If using heat to treat white spot, just do a huge (80-90%) water change and complete gravel clean before raising the temperature. This dilutes the number of parasites in the tank. You only need to do a water change once a week while treating for white spot.
Make sure any new water is free of chlorine/ chloramine before it's added to the tank.
You should also clean the filter before raising the temperature for the same reason. Wash filter media/ materials in a bucket of tank water and re-use the media. Tip the bucket of dirty water on the lawn.
Increase aeration/ surface turbulence to maximise the oxygen levels in the water.
The following link has all you need to know about white spot in fish. Post #1 and post #16 are worth a read.
This is a common question that is often asked, what is ich and how is it recognisable and what causes it? The real term is ICHTHYOPHTHIRIASIS. OR commonly known as white spot. It is an extremely comon parasite that affects aquarium fish. It is highly infectious and potentially lethal and...
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