Here are a few tips. Apply plenty of sunscreen to your back and shoulders. If you are entering the water from shore with fins on walk backward. Make sure you have a tight seal around your face, no hair in mask, do not were eyeglasses. Press slightly on the front of the mask as you place your head in the water. Wipe a little spit to the inside glass of the mask to prevent fogging. Place some bread in a ziptight plastic bag and poke a hole in the lower corner to feed the fish and you will be surrounded with colorful fish. If water enters your mouth just blow out . Enjoy!