coreywebster
Well-Known Member
Vitalink PH Test Kit 5.6 to 7.4 - The Greenhouse Effect | GHEDirect
Vitalink PH Test Kit 5.6 to 7.4. Buy all your gardening, hydroponics and ventilation supplies and equipment online at GHEDirect.
![ghedirect.co.uk](/proxy.php?image=https%3A%2F%2Fghedirect.co.uk%2Fwp-content%2Fuploads%2F2021%2F02%2Fghe-icon2-100x100.png&hash=cee98c2fc6a4aec381f4e4a151799f86&return_error=1)
That's a ph test drop kit.
But if you want, and I don't know why I haven't, once you've got the vial , you can buy a bottle of universal indicator , 500ml for like $5 - $10 , that will last your lifetime..