In modern agriculture, hydroponic farming--which uses water as a growing medium for crops instead of traditional soil--has grown in popularity.At pH values of 4.5 and 5.0, any loss in shoot growth seems to be from less nutrient uptake than from a direct pH influence.These results demonstrate the complex link between pH values and the success of hydroponic spinach production Hydroponic Leafy Greens After going through various studies and reviews, some Leafy Greens that are beneficial on small/ medium scale and on large commercial scale also, are 1.A crucial factor in nutrient availability and absorption, pH, a measure of acidity or alkalinity, has a direct impact on plant health and overall output.It's important to select the proper variety of lettuce, which includes Butterhead lettuce, romaine, little gem and more Spinach: In hydroponics, spinach grows incredibly well, much like lettuce.This novel method involves suspending plant roots in water and using fertilizers to add extra nutrients that are necessary for healthy growth.Recent research has emphasized the crucial role pH plays on yield, especially in the field of hydroponic spinach cultivation.2.4.