Yep i was pretty particular when i put everything in at the start. I boiled all the wood and with plants i removed all diry and had them planed inside for a few weeks in substrait to make sure they were not carrying anything bad. than washed them once again 1005 before put each in. The only thing that did not get the hugely washed treatment was the moss that i put in it was washed but moss is one of them things that you can never really get every tiny bit of dirt etc off. The tank does have a few lil air gaps for ventilation i guess thy bugs could have found their way in. I tend to not worry about the tiny little flying things. as they look so pretty and make it look so alive same with the little wood lice things. But these worm things i found in the water are concerning. I have not seen more since the 2nd ones i found and removed. I looked it up a little and i found a photo of some of them soemone said they were in their ewater also. And they were told it was a beetle lave from crickets. but i am still not sure. This is the tank when i first made it. Name:  frog viv.jpg
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I it looks less green now. I have a few fake plants in it atm to fill the gap of the loss of my living stuff. also the little black stones were only temp till they grew now i have river rocks in it as they are not as tiny and do not have a risk of squeezing in to a tiny gap. I am going to fully redo it, I am not happy with the burrows anymore as my frogs are fatter and bigger and need more space and Ive found they enjoy the water more than i thought when first making it. For frogs who are not so much water frogs they spend most of the night in the water. So i am going to make the water a few cm bigger area and id like some kind of waterfall. I though can not find a low water level filter online in australia. The only one Ive found is a terta repti turtle filter but i could not find it online in Australia stores. So looking for other low water filters. I would like the water to come out and down a rock slide or something. still deciding on how to do it all atm.