Somebody just asked that question! now i get to answer it again. You use your heavy boots and wear your blue tunic to go under water at lake hiylia you will see a door under water nd that is where the water temple is.
Water Temple.
shadow temple :)
No
Electrocute him.
The treasures gained in The Water Temple in Ocarina of Time are the treasure chest and the dungeon map.
Go to Kakariko Village.
yes in the water temple as a adult
Shadow Temple.
Spirit Temple.
Fire Temple.
you need to get the zora tunic
You should try a walkthrough