IN: Write the next sentence in this paragraph:
How to troubleshoot tank cycling problems
Test your tank water parameters.
People without basic test kits often have a poor time cycling tanks, and it is because water parameters are like air and food quality to humans. This includes ph, ammonia, nitrite, and nitrate levels.

OUT: Test strips are often vague/unclear, so many people use test kits like the freshwater master test kit (for freshwater) and other kits involving glass tube and water samples. Too high levels of ammonia can be overwhelming for the bacteria to eat.

IN: Write the next sentence in this paragraph:
How to do a professional looking photo shoot at home
Choose your " studio " location.
Find a white wall, preferably in a room that gets a lot of natural light. If you don't have a white wall, or if yours is covered with pictures, hang a white sheet from the ceiling and drape the end over the floor.

OUT: This will create a studio-like blank canvas for your photo shoot. Open the blinds and let sunshine flood the room.

IN: Write the next sentence in this paragraph:
How to move your itunes library to an external driver with tuneskit
Gather your files.
Go to " itunes-] preferences " and make sure the options " keep itunes media folder organized " and " copy files to itunes media folder when adding to library " are checked.
Change the itunes library default path.

OUT:
On the same " preference " panel, click " change " button, then you can customize the itunes library storage directory to your external driver path. Then every time you download items from itunes, it will be saved in the customized path automatically.