@tcstoehr Tim - I used pink for several years but now can only get white (light gray) I too didn't like it much but now its fine...what you are seeing in these troughs is a mix like you described!
Here is last winter's pic of iced semps that died which is why this year I've been proactive
Makes for interesting pictures but not a good way to grow semps under 2 inches of water
And here is a picture of the troughs - there are 4 of them, 6 feet x 2 feet - 1 foot high
What they look like after 2 years of being planted
