Help!

[OldManGrower]

This is my first indoor grow. I have several different types going at the same time including White Widow which is doing ok. On most of my plants I have yellowing leaves, yellow tips and edges and brown spots. There is no fungus or insect infestation. As far as I can tell, I have a mineral deficiency due to high PH preventing nutrient absorption. I have added a granulated soil acidifier several times and have been watering with a vinegar solution. My PH continues to be too high. Suggestions?

 

[FunkyButtLovin]

Use an acidic pH down product from a reputable company. General Hydroponics (you can use this in soil also, GH is just their brand name) is probably the most common and that is what I use.

 

[JohnEmad]

agree with a ph down. Vinegar is at best a temporary solution and usually has the bounce back of higher ph fairly fast. This causes undue stress to plants.

 

[OldManGrower]

Thanks for your suggestions. I shall acquire some PH down or similar asap.