My plants had some signs of the classic "praying for magnesium" look with the leaf tips curling up and yellow margins. A grower educated me on the likelihood of magnesium deficiency now that I am using RO water and a lightbulb went off for me.
So I went to invest in
cal-mag. While JK was writing this post over here at THCfarmer I was at the hydro store deciding which one to buy. It looks like AN is discontinuing SensiCal and I LOVE
Hydroguard by
Botanicare so I went with the
Botanicare formulation. Now I find gardeners not so happy with the
Botanicare Cal-Mag...
guineapig, you mention that AN's SensiCal is the best
cal-mag you've used. AN is not talking publicly ANYWHERE about which products are being discontinued but I think this is one of them because it is not on very many shelves and BGHydro.com has it listed as "discontinued-while supplies last." So what are your plans if that happens? AN is coming out with their new ppm-perfect system in a month and maybe there will be a reformulation and new name at that time? Who knows.
keyplay, thanks for the
Technaflora MagiCal product info.
Here is the info from the back of the
Botanicare Cal-Mag bottle:
10 ml of Cal-Mag per 4 liters of water (1 gal) will achieve:
Nitrogen (N): 53 ppm
Calcium (Ca): 84 ppm
Magnesium (Mg): 31 ppm
Iron (Fe): 2.6 ppm
The bottle also states that the
desired ranges for aeroponics, NFT, and hydroponics is:
Nitrogen (N): 160-250 ppm
Calcium (Ca): 45-75 ppm
Magnesium (Mg): 160-280 ppm
Iron (Fe): 2-7 ppm
The product brochure for the
Botanicare Pure Blend Pro line mentions "When growing plants with reverse osmosis water or in coco media use a minimum of 5 ml of
Cal-Mag Plus during the first 2 weeks."
Technaflora MagiCal
Botanicare Cal-Mag Plus
Advanced Nutrients SensiCal Bloom
Advanced Nutrients SensiCal Grow
