"Metering" your way to plant parenthood, eh? For hydroponics & soil, I'd 'dip' into the world of Hach & Squidger pH probes They're 'rooted' in science & offer accurate readings. Or, if you want something more 'soil'-ly, check out the Extech pH meter - it's a 'growing' hit among hydroponic enthusiasts! #hydroponics #pHmeter #gardening