LOL hydroton is soiless...And hydro.The answer to your question is 5.9,I run mine between 5.7-5.9.I dont have any PH issue's.


Dive:stoned:
Divestoned Reviewed by Divestoned on . Difference Between Hydro & Soilless..? Originally Posted by stinkyattic Use your commercial PLANT pH up/down- not the kind for pools- ad add it dropwise until the fertilizer solution is at the correct pH for your grow style. The ideal 'middle' of each range is given here: Hydro 5.9 Soilless 6.4 Soil 6.7 Just slightly confused as i am using a halo drip system in hydroton which i believe is hydro & soilless..? Does soil less mean vermiculite or have i missed something completely..? Thanks :thumbsup: Rating: 5