For Plettschner

What species of
green frogs do you have?
I had to ponder a bit before I started typing a reply.
I'll use Fire Belly Toads and those "hard to care for Dart Frogs " as examples.
This is a good discussion topic.
An interesting spin on whats difficult; and does that = exotic?
Does exotic = "frog master"
Does "regular" = cheap $$
Does exotic = expensive
Hate to break the news.....
- some of the "regular frogs" are actually difficult to keep and/or quite high maintenance
( ie Fire Belly Toads

high maintenance ( IMO) -- thought to be "easy" because they are not expensive )
( ie Red Eye Tree Frogs - high maintenance AND difficult to keep )
- some the exotics ( ie dart frogs ) are easy to keep
It's all

upside-down
Sounds to me you are describing dart frog care

-substrate lasts for an indefinite amount of time
-frogs
have to eat off the substrate
-there's NO filter to get clogged
-there are no water changes -- ever
- there are lots of plants that are very easy to grow --- even for a "brown thumb"
-and to poop fertilizes the plants --- so you just leave it

( except for taking it off the glass because it looks ugly)
A 5.00 fire belly toad is just as difficult and just as big a responsibility to keep as a 100.00 dart frog.
Just because we see 30 FBT ( all mushed together

) at a big box pet joint doesn't make them easy to keep --- means they are simply readily available.
It's all about what
set of care needs one might find more or less..........well
annoying
A "miniature functioning ecosystem" is exactly that ~~~ functioning~~~ pretty much... on its own
I have simplified it a bit , hopefully you
get the idea
Keep it coming
One more BIG thing:
If you are replacing substrate when it is suppose to be replaced, being careful to use a safe substrate for the frog species you keep,
cleaning the filter, doing your water changes, cleaning your plastic plant because you have a "Brown Thumb", and trying to invent a new frog pooper scooper ......Well congratulations ....you are taking GOOD care of your frog

And, Welcome to Frog Forum
