! HELP!

I only just realized they were here today when I was changing the filter for the water half of my bioactive North American toad tank and I'm really worried that they are mites they don't look anything like spring tails and even if they aren't inherently harmful I can see them everywhere their population is getting way out of hand and I'm wondering if anyone knows what I could put into my bioactive tank in order to call if not completely end their population