Yes an air pump with a couple of nice sized airstones for the rez is a must. For the meter I think most people use either a Hanna or I think the other is Milwakee.
tinytoon Reviewed by tinytoon on . Hydrophonics check list Right I am a first time grower and am looking to start my own Hydrophonic grow. So far I have the following: Aerogrow Plus machine Low rider seeds (feminised) Replacements bulbs I have some nutrients that came with the aerogrow (not sure if I should be using them though?) Rating: 5