Likely this. If they're scuttling about relatively slow, then it's Copepoda. They're essentially tiny crustaceans and like most aquarium microfauna (planaria, detritus worms, etc.) they tend to have explosive growth in the presence of excess algae/organic waste, then die off
Apart from being unsightly, they're harmless. You can wipe them off.
Yeah, it has already been cycling for about 2 weeks now but will wait for all the ammonia and nitrate numbers to be where I need them
They won't be ok with guppy fry because the fry will eat themWould they be ok in a tank with guppy fry?
I did not add the entire bottle because it's a 250 ml, I added about 50 ml so far so I am going to keep testing water and make sure it's perfectThey won't be ok with guppy fry because the fry will eat them
I usually put java moss with copepods in fry tanks so the little fry has something to eat. I think copepods and detritus worms are highly desirable in a fry tank as they feed the fry.
If you're using TSS, skip the fish food and put the fry in the tank.