Well I won’t say for the lazy keepers, But more for the Keeper who won't give he's Tarantulas much more advanced care!
I use them in my enclosures they really help for your arboreal tanks and for food that you miss when cleaning the tanks also if you have a dead cricket or roach that went and died somewhere that you can see they will find it and eat it no more smell or small little flies in your Tanks and if you have a Tarantula that webs allot the crickets tend to get stuck and die and get webbed over the isopods find them and eat them!.
They don’t bug your Ts as they go and find a hiding spot that’s where they stay until they smell food lying around!
I got 5 isopods liven with my N chromatus in her hide with her and she is fine with it.
The isopods don’t need much care as they look after them self’s as long as the tank does not get to dry and there is food and the spider does not eat them
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They do work and help I have had no problems and been usen them for the last 3 years .