I can't get that much magnification with the gear I have. I use an older digital camera with no fancy lens attachments. Also use one of those cheap USB micosopes from Amazon.
There is more to life than hydro. It's not all about you.
This is what FloraFlex says about Cl
Chlorine (CI) is required in very small quantities and there is usually enough in the water supply. Chloride toxicity is a more common problem and this is the reason chloride is usually not...
No shit, dude. Everyone uses CalNit whether they know it or not. Now what are you going to do if you need more Calcium without adding more N? The answer is gypsum. I rest my case.