I have been reading about tadpole tea.

Can commercial blackwater extract be used instead of a homemade recipe?
I have used "Tetra Aqua blackwater extract "in Discus tanks for many years which
"replicates blackwater/biotopes amazon conditions" and have VERY old Discus.
I have confidence in the product for the Discus. I have reared spawns using it ; with all water changes for spawns and on regular weekly maintenance.

Has anyone used 'blackwater' ( in a water area) in their tree frog enclosures on a regular basis?

Breeding

The above article on (breeding dendrobates) states a commercial brand is okay but does not provide a commercial brand name, and does not discuss its use otherwise.

also found this in another Whites care article for "all" the water in the enclosure:

" Bad water is the number one cause of death for frogs in captivity. We have recently started adding Tetra Black Water Extract to all of our frogs water, which lowers the pH slightly. The frog seem to love it! "

Lynn