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Should give you about 475-500ppm of your nutrient solution. 1to1 ratio of each of those bottles

Correct

Also can you take pics of the roots please. If you have root rot we need to address that and there is 100% gaurantee on that. It's going to make a lot of work for you to correct

Now don't add any other addatives l without checking. Silica can cause precipitate if not added properly. So let's get a base plan and stick to it. Then adjust as ya need. It's not going to be a fast process so not insta fixes here. Need to give time to see how things improve.

Good good so we can trust the ph meter.

In a new res with you tap water add 1/2g per gal of actual water not container size epsom salt (magnesium sulfate). Then mix ratio of those nutes 50/50 gives a very nice ratio. After tap and mag sulfate add your nutes to bring it up to 700ppm of 50/50 mix. Then ph down to 5.8. check ph again in...

Grab some tap water like 250ml and throw a tsp of baking soda in it... This is fuckin ghetto but ph should be about 7.8 I suggest getting a calibration solution. How much oh drift are you getting in 24 hrs?

If I'm honest blind guess is ph. But let take this a step and a time. Stop trying to diagnose issues and start looking for the root cause. Aka get back to basics. Process of elimination.

Ok list everything you are adding and have nutrient and additives... Your tap ppm 150 check.. Now can you give me all the parameters. Temps, humidity, etc everything you can

And for the record here calcium is not very mobile and will show up in new growth. So it's likely old damage or possibly magnesium

Again reading and interpretation skills at thier finest.

This is fucking rediculous. The sources in cal mag are highly soluble. Don't make me laugh even harder at you

Ok let's get back to basics here. If you water is 150ppm it's highly unlikely you need cal mag. You may need some mag depending on the nutrients you are using. Can you list your nutes and parameters.. temps humidity and let's start working this out. I don't think there is one answer. Also...

I use it also in my RDWC. I don't not find it stable by itself. With my tap it's fine 75pp of bicarbonate not all tap has this. With RO I do need to add some potassium bicarbonate or calcium carbonate to keep a stable ph... Well as stable as I like it 0.2 drift in 24hrs

It's not theoretical... It's proven fact science...

Shit my bad OP I didn't realise this was a journal... Somethings I'm challenged in.... Forums I guess are one of them. Carry on.

I have proof it's called science... You should try it sometime. You know these people that are paid to figure out plant physiology, processes and nutrient needs of differing species. Or do I just trust some dude with cool pics on the internet? Idk seems like and easy decision to me

Why is it every broscientist resorts to look at my pics bro... That makes me right in life? Maybe because they have no clue of what they are talking about? I think NASA needs more broscientists

This... So many plants are loved to death. Never make big changes or multiple changes. 1 at a time small changes, giving time in-between to see the result. The more ya fuck with em the more likely you are to do harm.

Sorry you feel that way.... But nutrients don't control the amount of bud sites or leaf to shoot ratio in any significant way