If you're noticing small, white mites in your aquarium, don't worry – they're most likely harmless water mites. These tiny pests are common in both fresh and salt water tanks, and while they're a nuisance, they won't harm your fish or plants.
There are a few different ways to get rid of water mites. One is to vacuum them out with a Gravel Vacuum – just be sure to dispose of the vacuumed water far away from your aquarium so the mites don't crawl back in.
Another method is to add a predatory fish or two to your tank. Water mites are a favorite food of many species of fish, so adding some extra mouths to feed can help reduce their population quickly. Just be sure not to overfeed your fish, as this can lead to other problems like excess waste and algae growth.
If you have plants in your aquarium, you can also try using an organic pesticide like neem oil. Neem oil is safe for both fish and plants, and it will kill any water mites that come into contact with it. Just be sure not to use too much, as it can cause problems for sensitive species like shrimp.
No matter what method you choose, getting rid of water mites doesn't have to be difficult – just be patient and persistent, and soon enough they'll be gone for good!