liquid kelp fertilizer

Question

I see liquid kelp fertilizer has lead and mercury. Is it safe to use on my vegetables? Well, I know lead and mercury is not safe for humans, so I am a little scared to use liquid kelp fertilizer.

Answer 1

Here are a few links for you.
If your concerned I certainly would seek a different form of plant fertilizer.

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/types-of-organic-fertilizer.htm

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/using-kelp-fertilizer.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/fertilizer-numbers-npk.htm