Does it make any difference to the plants whether you use a sulphuric acid based PH down adjuster or one that is based on HCL/muriatic acid?
I've been using sulphuric because I have a very inexpensive ready supply of it. I understand that when the PH down reacts with water, it releases the non-hydrogen part of the acid into the water while the hydrogen changes the H to O and adjusts the PH downward. I know that Sulfur is a nutrient and the chlorine is a micro salt that will very easily kill plants or even animals if the concentration goes up very high. After all that is why it is used in swimming pools and water purification systems -- because it kills organisms that people don't want in their water.
I have recently been told that HCL is better for plants than sulphuric for a PH down base.
Does anyone know for sure if that is true and if so why? I'm not really interested in what is most common -- just will using dilute sulphuric acid for a PH down hurt my plants? I mix the diluted acid into the water, mix it up good and then let it set with the lid open for at least an hour before I use the buffered H2O for any purpose.
Thanks for the help.
Don Jones