Activating this trainer

If not state otherwise below, press F1 at main menu.
Listen for 'Trainer Activated'.
Press desired hotkey. All hotkeys can be changed on the trainer.

Trainer Options

# Fish 
     NumPad1: Fast Grow Fish

# Gameplay 
     NumPad2: Game Speed

Editor Options

# Currency 
     Money
     Money Type 2

# Fishtank 
     Capacity
     Capacity Type 2

Notes

Values in Editor,  you will have to see which of the TYPES matches the value you see in the game.  The game may store the values differently at times.  Look and see which is holding the correct value and modify THAT value.