Trying to see if I need to add cal/mag. Tap is 31cal 8mg 160ppm. Using gh maxi bloom 7 grams a gal which equivalent to 92n 121p 215k 133cal 73mg total going in at around 550ppm 5.7-6.2. Any help would be appreciated.
Welcome to percys man, what medium are you in? Soil? And how old are the plants?
"Keep away from people who try to belittle your ambitions. Small people always do that, but the really great make you feel that you, too, can become great.”
― Mark Twain
@macky ty.. im in coco. Precharged wirh calmag. Seems i ethier get red stems, elongated growth, slow growth, leaves curling some, and which looks to be cal or mag def. Im in 4th week of flower, got in veg too. Jist don't know with my tap if I'm going to mich or to little of somethin. Never let dry out, always 20% run off. 1 day up to 3 times by end
In coco, I like to give a spray of epsom salts about 4-5 weeks into veg. This helps keep the calcium moving around the plant. There might be plenty of Cal, but if there isnt enough magnesium, it wont be used right.
This might no a cal mag issue though, maybe phosphorus.
Are you measuring the run off EC? And are your temps kept around 26c?
Also, are you using a "Blurple LED" by any chance?
We willl figure it out and get it sorted mate dont worry 
"Keep away from people who try to belittle your ambitions. Small people always do that, but the really great make you feel that you, too, can become great.”
― Mark Twain
@macky thanks. Yes, I do check runoff, always within about 100 ppm above, do a light flush once a week. Temps are all controlled and about what you said. I get wavy looking leaves at times, and again what looks to be a cal or mag. But if I ad say 2 tsp per gallon of cal mag to them, seem sometimes they get worse
do a light flush once a week
Best not to flush in coco mate, they like consistency you see.
High concentration to low concentration..... if the is more nuits in the coco, then in the plant, osmosis will try and find balance and the food will be forced into the plant ( not good though)
If the plant has more food in in than the coco, the plant will leech nutrients into the coco to find balance.
I hope you know what i mean. So, every time you flush, you change that balance, and the plant will look like its suffering with calcium def.
Cal mag is usually over prescribed mate, the plants usually have plenty of calcium available to them in coco, and from the tap water, you don't need a lot.
Do you have an EC meter? If not, what scale is your PPM meter using? They measure differently depending on where they are from so EC meter are preferred as thats the same world wide
"Keep away from people who try to belittle your ambitions. Small people always do that, but the really great make you feel that you, too, can become great.”
― Mark Twain
@macky ty. Yes, my ec is pretty consistent at about 1.2 going in and out for flower, drain to waist, 20% runoff, 2 times a day in flower. Once a week I'd go in at about .9 ec, same nutes just lower which is what I referred to as my flush. I did not do that and my runoff was always continuing to rise, the only reason I was doing that. I did do a flush with floracleen and plants perk right up and start looking good, but few days later right back to what seems to me lack of vigor. I dont want to flush much like you had said though. Here's a few examples
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