First Post/Info

[Watermom]

Tell her you need both. Gauges are cheap. You can probably get one for about $10 or so.

[PoolDoc]

Here are some links that may help -- look at the Amazon links, even if you buy locally, so you can be sure to get the right thing! Watch the Teflon tape video -- most people use it incorrectly.

Poolmaster 36670 Standard 1/4-Inch Threaded Side Mount Pressure Gauge @ Amazon
Oatey 31403 Yellow GAS/TFE Tape, Dispenser Pack, 1/2-Inch x 260-Inch @ Amazon
How to use teflon tape on pipe threads on YouTube