Aloha Faddenater

You are in good hands here.
R.T. is "cogniscent of his excrement"

I'll jus' add a tad.


"Letting water sit doesn't change ph."

True dat!
But it's good to wait a bit after adding the nutes as it will take a while to stabilize.
It's also a good idea to test PH after the airstone saturates the water with air.
It does drift a bit.

Only thing I'd add, is;

Do not let your water "sit" for hours unless you have an air-stone in it to replace the air that will outgas.
Once that happens anaerobic bacteria an' all kine nasties can infest it.
More importantly, flat water will drown your roots!
You were prolly told to let it sit for the chlorine gas to dissipate.
Outdated wisdom, that.
2 things wrong with it.
Most water suppliers have switched to Chloramine to disinfect.
It is a compound and will not outgas.
Not to worry, it is not only harmless to plants, it is actually good for them because it kills slime molds and harmful bacteria.

Jus' 2 cents.
Aloha, Weezard