Bad batch of potting mix????

[Tomatovator]

I bought 4 or 5 big bags of MG potting mix this year for my EB's and pots. I noticed that when I water the pots and they drain on the pavement I can see a rainbow as if soap or oil is in the mix. Is this normal? Seems strange to me.

[dustdevil]

Maybe the fertilizer that is mixed in it. Or, something that was on the pavement to start with.

[lang77]

I also purchased large bags of MG potting mix. The first thing I noticed upon opening one of the bags was a strong petroleum smell...but there are no issues with the plants that have been potted up so far. I will continue to keep an eye on them this summmer.

[Tomatovator]

Dust, THe driveway was clean. It even did it when I moved the pots to the patio and watered them there. The plants are growing fine but just makes me wonder what is in the mix this year.

[dustdevil]

TV, the fertilizer in MG products is PETROLEUM based.

[Alberta]

I had a friend come here a few years back and she brought a bag of MG potting soil, it stunk of some sort of petroleum smell. That was my first and last encounter with MG, I just refuse to use it.

Alberta