There you go, all your answers in one place. It looks like the only time you might mix products is when using the plant booster although they listed separate ppm which makes it nice to figure out what you are doing.
Their ppm is based on a 500 scale so make sure you know what your meter reads. If it reads 700, like mine does, the numbers need to be higher. For reference, 1400ppm on 700 scale is 1000ppm on 500 scale which is right in line with the numbers I listed above in my examples.
That graphic is no help in determining scale. That 500 ppm refers to maximum allowable hardness of tap water. They must have no idea…
hahahahaha GREAT. If they don’t know and the internets don’t have the info (I’ve looked), can I assume 500 scale? It’s a pretty generic TDS meter! 
I get the impression from forum members who have recently purchasing meters that the 500 scale is more common.
Keep in mind that an EC of 1 is a ppm of 700 on meter with a 700 scale, and 500ppm on a meter with 500 scale. The chart shows both scales and they measure the same thing, just different ways to display it. If you are mixing things up according to the feed chart in very carefully measured amounts your final ppm is way low, then consider that your meter is a 700 scale. For instance, if the final solution was suppose to be a ppm of 1000 and yours reads closer to 1400 I would suspect that yours is a 700 scale. Good luck. If you figure it out you may want to inform the seller.
Does the ppm in that chart refer to what the mixed nute solution should be before you feed?
I just did a gallon mix with 5mL calmag and 5mL fertilizer and the ppm is 238ppm temp 72.1 pH 5.8
ps - this will be my last ask. You have been a fantastic help @CMichGrower. I feel a little more confident moving forward!
In theory, if you measured your nutrients properly, AND you are using RO or distilled water with little or no initial ppm, then yes, the final mixture should be close to what they have listed on the feed chart.
If you use tap water you need to measure that first so you know how much the water is adding to the final reading.
Now it practice, I haven’t always found it to be true. If anything, the final mixtures I find have ppms that are higher then what is listed at target ppm and I need to dilute the final mixture. Then again, I make mixtures with as many as 7 items in it and I might suck at measuring.
I started with filtered water with 0ppm. I just added another tsp and now I’m in the 400s. I guess I keep adding until I get to the suggested 900-950ppm, then reassess pH to make sure it’s btw 5.8 and 6.5?
I also suck at measuring, and I have killed succulents so I’m trying to get this right!
Did you start with teaspoon of cal-mag? If that came out to ppm 400 that would be reasonable. You don’t really have to measure at this point, just add Flowertime a little at a time until you get to your 900-950, adjust pH and good to feed. I think you got it!
I started with a tsp of both cal-mag AND the fertlizer.
I see the chart shows 1 teaspoon Flowertime every week with different ppm listed so forget what I said about mixing it up and being close to the target ppm. What does the fine print at the bottom of the chart say? I can’t make it out.
I have no idea how Bergman’s is suppose to work, better see if there are instructions. I’m not sure how using the same amount of fertilizer every week can result in a different ppm reading from 750 to 1000 ppm unless mixing up the solution is greater then 1000 and is diluted down to the target range which is what I do.
I ended up diluting to ~1100ppm at 6.2 pH. Measured runoff and the numbers were ~3800ppm and 7.4 pH. I then did a couple flushes with plain 5.8 pH’d water (and probably overwatered by now) and could only get ppm down to ~2800 with 7.3 pH.
I think I’m going to leave them alone to dry out and check at the next due watering in a week? I’ll only use plain pH’d until those numbers come down. I’m also using nutrient-dense organic soil, so I probably should just water from here on out with the occasional cal-mag. I have no idea!
At least I was able to get more comfortable with dosing pH up/down. That’s a plus! I also have root protector and mold control if the flushing causes any havoc.
The beginner doing waaay too much. SHOCK AND AWE! 
