Reverse osmosis and calmag

[DSinatra]

I have a reverse osmosis system with an alkaliner so my phone is like 9, 10 even 11 sometimes. First time using reverse osmosis on seedling I didn't know that was a no no. The quickly showed signs of deficiency after about a week. I have since figured out that even with seedlings that dont require nutes so young need nutes with ro. Anyways my question is this. I just used double the dose of calmag on my flowering plant with reverse osmosis water. Whatso your thoughts on that.

 

[Ralei]

I think calmag is good choice. And let me say wow looking on your bud

 

[DSinatra]

Thank you sir. Calmag is a must when it comes to cannabis. I want to know opinions of everyone about me using double the calmag in ro

 

[hotrodharley]

Thank you sir. Calmag is a must when it comes to cannabis. I want to know opinions of everyone about me using double the calmag in ro

Calcium - almost impossible to "burn" a plant with it. Magnesium OD? I would have to see pics. Every grow should be an experiment with something IMO. Do it and watch. You can always flush.

 

[Terry385]

i use RO water 200 ppm calmag about is what i do in a 1 gal mix about 2 / 2.5 ml

 

[DSinatra]

Wow. I used 10ml to a gallon last night. Looks fine today. I use CALi-MAGic which calls for 5ml to a gallon. So I figured with the ro the 5ml brings it to normal and the other 5 gives the plant the calmag it needs

 

[DrCannaPath]

Whats up bro .... I us RO water and also I reclaim the water back from my dehumidifier... I do test the reclaim water and it has to be zero ppm ..... anyway I add calimagic (GH's cal mag) at their suggested dose of 1ml per Liter ... so that should be about 4mls per gallon. I also add GH's B Essentials (micro and submicro elements ) to a ppm (before I add my base nutes) of 350! Then I add my base nutes to a final ppm of no more than 1300!. I hope this helps bro

Check out my current TriStrain grow:
https://www.rollitup.org/index.php?threads/883569/

 

[weedemart]

calimagic calcium source is carbonate so I recommand you follow the dosage and never more. carbonate are insoluble , they are usually used as buffer in RO... this is not really intended to increase available calcium. Too much carbonates will interact with other element and might cause lock out/deficiency

 

[DSinatra]

Whats up bro .... I us RO water and also I reclaim the water back from my dehumidifier... I do test the reclaim water and it has to be zero ppm ..... anyway I add calimagic (GH's cal mag) at their suggested dose of 1ml per Liter ... so that should be about 4mls per gallon. I also add GH's B Essentials (micro and submicro elements ) to a ppm (before I add my base nutes) of 350! Then I add my base nutes to a final ppm of no more than 1300!. I hope this helps bro

Check out my current TriStrain grow:
https://www.rollitup.org/index.php?threads/883569/

Thanks for the response brother. So you still add recommend dose with ro. Ro strips water of every mineral including calcium. Wouldn't using suggested dose of calmag just put back in what was lost through the filtration process while including what the plant wants/needs? That's what I thought and I've seen someone practice this method whI checked is why I tried it. Otherwise I would never add double the dose of anything.

 

[weedemart]

And its true that too much calcium isnt harmfull but its prone to build up and eventually cause problems. most nutrients have plenty of calcium. use only calimagic if you use RO and follow the recommanded dosage otherwise , you just dump money. gl

 

[DSinatra]

calimagic calcium source is carbonate so I recommand you follow the dosage and never more. carbonate are insoluble , they are usually used as buffer in RO... this is not really intended to increase available calcium. Too much carbonates will interact with other element and might cause lock out/deficiency

Thanks for the reply. I popped some seedling in promix bx soil and watered with straight ph'd ro because usually the seedling feeds of the cotyledons for the first couple weeks to sustain life. My seedlings showed significant deficiencies. I added calmag at recommended dose and it helped a bit but there was still yellowish tint to the plant. I then added double the dose of calmag and it turned completely healthy and normal.

 

[weedemart]

just increase your base nute ec should fix your issue. too much carbonates lead only to issue , that why a lot people use ro system...promix is calcium/magnesium fortified so pure ro is acceptable. whats your base nutes? btw you dont need to ph your water in promix,it's buffered, juts control your run off. everytime it should run off 5.8. l

 

[DrCannaPath]

Thanks for the response brother. So you still add recommend dose with ro. Ro strips water of every mineral including calcium. Wouldn't using suggested dose of calmag just put back in what was lost through the filtration process while including what the plant wants/needs? That's what I thought and I've seen someone practice this method whI checked is why I tried it. Otherwise I would never add double the dose of anything.

To an extent. However, and based on a based scientific paper I read, not all the cal n mag in the tap water is absorbable by the plant and thus making it possibly, and in certain waters in certain cities, just as deficient, for the plant that is, in the form of cal n mag the plant is able to absorb .... additionally most good nutrients have plenty of cal mag .... and as suggested above, raising the base nute slightly might cover the loss of many of the micronutes. But doubling the calmag remember also adds a lot of N to the mix and if youre in flowing and only top off, thats a lot of N being accumulated and not utilized by the plant. Also too much N, i think, could interfer with cal n mag absorption (or is that in soil only someone correct me if im wrong). Regardles, you dont want to over-accumulate N, unnecessarily ; -) also saves u $ if the bottle of calmag go x2 the time by not doubling the dose
Happy growing bro ... just hit Liberty haze n Im feeling good n chatty lol ... wish I can pass the J around hah

Check out my current TriStrain grow:
https://www.rollitup.org/index.php?threads/883569/

 

[DSinatra]

To an extent. However, and based on a based scientific paper I read, not all the cal n mag in the tap water is absorbable by the plant and thus making it possibly, and in certain waters in certain cities, just as deficient, for the plant that is, in the form of cal n mag the plant is able to absorb .... additionally most good nutrients have plenty of cal mag .... and as suggested above, raising the base nute slightly might cover the loss of many of the micronutes. But doubling the calmag remember also adds a lot of N to the mix and if youre in flowing and only top off, thats a lot of N being accumulated and not utilized by the plant. Also too much N, i think, could interfer with cal n mag absorption (or is that in soil only someone correct me if im wrong). Regardles, you dont want to over-accumulate N, unnecessarily ; -) also saves u $ if the bottle of calmag go x2 the time by not doubling the dose
Happy growing bro ... just hit Liberty haze n Im feeling good n chatty lol ... wish I can pass the J around hah

Check out my current TriStrain grow:
https://www.rollitup.org/index.php?threads/883569/

Thanks that was an awesome response. I wonder what the problem was then when my seedlings were deficient until I fedon't double dose calmag. Anyways I won't be doing that again. Thanks everyone for responding

 

[DSinatra]

just increase your base nute ec should fix your issue. too much carbonates lead only to issue , that why a lot people use ro system...promix is calcium/magnesium fortified so pure ro is acceptable. whats your base nutes? btw you dont need to ph your water in promix,it's buffered, juts control your run off. everytime it should run off 5.8. l

Bio bizz, microbe life

 

[weedemart]

as i can see its mostly organic so increasing your ec should not cause any issue and see if they like it. organic stuff are usually available slowly and depend a lot on the environnement , if increasing ec doesnt solve your issue, theres great chance your environnement not optimal.

 

[DSinatra]

as i can see its mostly organic so increasing your ec should not cause any issue and see if they like it. organic stuff are usually available slowly and depend a lot on the environnement , if increasing ec doesnt solve your issue, theres great chance your environnement not optimal.

I'm not having any issues atm. When I sprouted the seedlings I fixed by adding more. Now I watered my flowering plant yesterday with double the dose. It seems fine now

 

[IndoorSolar]

I agree you need to add calmg to ro water but that shoukd be a no brainer. I sprouted my seeds in a clone dome with rapid root plugs and tap water to start. Then switched to ro water at 13ppm tds and only added a little Rapid Start. All went fine rooted really well and into 5g pots with Roots Organic soil. Watered with just 6.0-6.5 phd ro water and after 2 weeks i started getting light spots in the center of the middle leafs. I figured it would be fine for a few watering not to dose anything including calmg. 1 low dose feeding with calmg at 190ppm and some veg nutes i like to feed and all new grow is green and healthy. Ca and mg is very important to our plants.

 

[az2000]

I popped some seedling in promix bx soil

BX has vermiculite. That's usually considered the wrong direction for cannabis (it retains water?). Keeping the soil too wet will cause deficiency-like problems because soil ph will rise a full point as it dries.

I use 60% Pro-Mix HP, 20% Kellogg Patio Plus (potting mix) and 20% perlite. It works well. I don't like it for seedlings. I use Rapid Rooters turned upside down (because the pre-drilled hole is too large, IMO) and poke/carve a small hole for the seed. I put this directly in soil. (They're supposed to go in a propagation tray. But, I just bury it flush in an 18oz seedling container.). I've heard good things about Black Gold seedling mix. I've thought about cupping out a small area of my soil and filling it with seedling mix. But, the RRs work well. (I tried a Jiffy Pellet but it seemed to be too wet. The mesh layer seemed to be too durable. I had the idea to break out some peat from one of those and create a small seedling bed in my soil. That's when I thought Black Gold might be better.).

Regarding your RO water. I mix it with my tap water to get ~150ppm. My tap water is extremely high PPM. I mix about 20% tap with 80% RO. I just eyeball it. The nice thing about this is that I'm not acidifying my nutrient mix with calcium nitrate (calmag). I need less ph-up, which means I add less salts to the soil.. etc. (I've reached a point I don't even ph my nutrients. No problems at all. I just keep it simple like that.).

 

[churchhaze]

PLEASE stop using the term "Cal mag" as if it's an actual thing. Cal-mag is a PRODUCT marketed toward gullible people. (all "cal-mag" products)

Calcium? That's an element.. Magnesium? That's an element. Calmag is not a thing. Your water does not need "calmag", it needs nutrients like calcium and magnesium.