Plugging Bulkheads

[fernalfer]

Ok i'm at the stage where i want to fill tank with Freshwater for a leak test. I have a dual overflow 120 with threaded bulkheads. How do i cap them off temporarily to fill tank up with water?

[EvenFurther]

Lowes has PVC threaded plugs.

[fernalfer]

Lowes has PVC threaded plugs.

Thanks will go take a look

[EvenFurther]

Or you can get a threaded x threaded close nipple, and use a threaded cap. All pretty cheap stuff at Lowes.