Hello,
with the new fishing system you also implemented a stronger hero potion version (concentrated hero potion).
The runtime is only 3 minutes, which is compared to the 10 minutes normal hero potion.
If you think about running for example grafu within 30 minutes, you need ~11 concentrated hero potions which is an insane amount related to the materials you need for it to craft (drop rate of the green fishes).
I would suggest to increase the runtime of concentrated hero potion to 10 minutes. This should/could result in that more people use / want to use it, which would boost the fishing economy for lower people to earn some diamonds.
As far as I know nobody, except 1 person in specific moments, of our guild is using the new hero potion so far (except for testing after release).
Greetings