calcium

Have some plants in veg cycle they already have been 6 weeks on veg and when I was about to change to 12-12, I notice what I believe is calcium deficiency. I'm growing in organic soil and using leds. Following some of the info in the forum I tried to foliar spray some water infused with...

I was looking for something that was mostly calcium. But didn't see much. So what's the best way to add it?

Right now my plants are at its flowering stage in which its gonna start producing the tight buds soon. I water my plants daily with a composted steeped worm casting tea diluted with tap water. My plants seem to be looking healthy this year. My question is, I have this calcium fertilizer...

I have this issue always come up at the same time, in weeks 3-5 of bloom. I always thought it was a calcium deficiency. Can anyone confirm this? Im using AN pH perfect in dwc. Advanced Nutients say not to ad any other products with it so im not sure how i can add more calcium when it says not...

Getting my ass kicked by what appears to be a fast moving virus or fungus. First thought that it may be a calcium deficiency. Adjusted the calcium and sprayed with organic anti-fungal and insecticide. Whatever it is seems to have retarded the growth of the plants. WW and AK feminized autos...

Boron Deficiency Problem: A boron deficiency in cannabis is relatively rare, and is usually accompanied by other types of nutrient or pH problems that appear as problems with the leaves. The first signs of a cannabis boron deficiency is abnormal or thick growth tips along with brown or...

hi , im in rockwool my plants are 1 month old and they have 2-3 sets of true leaves i noticed what i think it is a iron/cal/mag deficiency so i bought some epsom salts and calcium carbonate i have a foliar spray to which i added 30 ml dutch master liquid light +30 ml penetrator + 1tsp epsom salt...

This is an awesome product to use during the changeover period from growing to flowering/fruiting on all of your plants. For most of us, by using molasses we are able to get the magnesium that our plants need, but for our calcium needs, most of us have to fall back on a commercial product, and...

Hello, I have some calcium deficiency ( I guess ) ( picture will show u ) and want do some Foliar calcium feed . I have calcisan - I dont know what dosage should i use for foiar feeding soil : 35 % clay soil 35 % white peat moss 20 % coco peat and 10 % perlite ( mixed by myself)...

Greetings, I'll make this simple: I am growing hydroponically and always maintain a PH of 5.9. I calibrate every three days and both the accuracy of the meter and the PH level remain almost perfectly constant. My tap water is 120ppm. I am noticing a SMALL amount of calcium deficiency...

Hello I am growing in a dwc bucket with R/O water or a mix with tap water, because I noticed some cal & mag deficiency I bought some calcium 15% and magnesium 10% from Bionova but I can't figure out how to mix them and how much of each one. No, where I live cal-mag premixed is not sold... I...

I'm growing in dwc on a budget. I have epsom salts for mag but am wondering about calcium. I found some chelated calcium supplements at the drug store the other day and was wondering if those would work? Anyone have any input on this idea?

Hi I have a few plants that i've been told have too much phosphorous, but my natural water from taps is almost 9.0!, and my ph down is 85% phosphoric acid.......see my problem? so I saw this nifty little chart; , And i thought, If I lowered the ph to about 6.0, technically wouldn't they be...

The first 2 pics look like calcium deficiency to me but who knows? the second 2 pics with the holes is a different plant with different set up, i just dont know why it has holes now?, its hard to match these to the picture charts that ive seen but thats where i came up with calcium. I still...

Will it do any good to dissolve ordinary Multi, B, Calcium and Potassium vitamins then add to hydroponic solution ?

I've been struggling to get the pH down on my little seedlings for days. They've got some worrisome brown spots on their leaves now. Is this calcium deficiency? I'm trying to get the pH down to 5.85. It was over 7 for a few days, been between 6.5 and 7 the last 2 days, and finally under 6.5 now.

I grow in coco coir, and r/o my r/o is 5ppm. My last grow I used AD cal mag grow witch brought my water to about 150 ppm before mixing nutrients. Then in flower I used AD cal mag bloom 150ppm before nutrients throughout flower then at about week three they got a lock out and went to shit. This...

Well, new to board and typed a huge entry and accidentally deleted it. Ugggg. :Namaste: OK, here we go again! You know how your original thought is never as good and thorough as the second time around........? I am just starting my 7th week of a planned 12 week crop but I am just starting...

CFL lights 5x 100w 18/6 Hydro using croutons as medium PH level 5.5 - 6.0 FloraNova Grow/Bloom, Age Old Kelp, Super Thrive Noticed 2 days ago that 2 of my plants started to slow in growth. There going on 2 weeks veg. Also noticed the bluish color on the outer trim of the fan leaves...

I have switched from Humboldt Natural Grow to the Lucas Formula after completing a flush. My plants were showing cal, mag, zinc and iron deficiencies. How long will it be before they resume full and vigorous growth.