Tools:
Firefox 3.5
Charles Web Proxy Debugger [Link]
Steps
Open charles
Enter happy aquarium [Link]
Train a fish. You have to click some coins in order to gain coins. (You will need to complete the training.}
Now in Charles, you will see this line "http://aquarium.crowdstar.com"
Expand "comm/" > "trials_finish.php"(if you failed a few times, there may be more "trails_finish.php. Choose the last one)
Right click it and select Repeat Advanced.
[iterations "100,000"] and [concurrency "5"]
when you refresh the game, coin and exp will be changed
Completed. enjoy :)
Credit:Asad()@pwnthis