How to get pearly white roots in DWC?

Hey guys

I have tried 3 different nutes and they all stain my roots in DWC. Do you know what line does not stain roots?

Dynagro is pretty clean.

I also use Dynagro and have nice white roots.

What's the big deal about white roots? Like saying white eggs are better than brown ones.

Mine always stayed white until flowering time and I start adding Big Bud then they take on a tan colour.

Still work just fine. HPS light is on.

I've used multiple lines and got no staining.

Only time roots brown is warm water and age

firsttimeARE said:

I've used multiple lines and got no staining.

Only time roots brown is warm water and age

Click to expand...

Whats your PPM like?

I go from 200 to 800 PPM with this meter
https://www.amazon.ca/Realgoal-TDS-3Blue-Resolution-Hydroponics-Gardening/dp/B01FXRB6KM/ref=sr_1_2?ie=UTF8&qid=1525915268&sr=8-2&keywords=ppm+meter

Does the job I guess