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    SOIL Questions on Molasses Use

    I’m just curious how when and how much molasses you guys use I’m a new grower and when I was researching growing before I started I read tons of good things about molasses but the first use with it I had some trouble and stopped I believed it caused a magnesium deficiency within 24hrs of molasses use my leaves were turning yellow between the veins 6 hours after using cal mag the next day the leaves were significantly better 12hrs they were normal I had been adding cal mag in every feeding so I don’t see how it could’ve been lacking the only change was molasses I used it along side my normal feeding with just enough to tent the water a green tea color I used the molasses in early veg really this is just my curiosity things are going so good with my grow right now I don’t want to change anything but I’d like to maybe try some with my next grow

    #2
    I cannot address the specifics of your question. I add one tablespoon of molasses to a gallon of water.
    Soil-3 gallon pots
    32"x32"x65" tent
    Double COB 800w. plus Single COB 100w. Light

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      #3
      Likely it caused a temporary PH drop in the soil.

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        #4
        its really not needed while in veg. Wait till you're flowering for 3 or 4 weeks.

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          #5
          Molasses will crash your ph if your not phing the water with molasses in it. I only give molasses to vegging plants in the couple weeks leading up to the flip to flower. I make the flip I’m about 2 weeks by daily shortening the lights on period till I am at 12 hours.
          4x4 flower tent
          gorilla glue
          sour dream
          green crack
          hogs breath
          2x4 veg tent
          grand daddy purple
          strawberry cough
          blue dream
          gorilla glue

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            #6
            I give it only when they are in the last weeks prior to harvest. I don't feed molasses in veg. My 1cent opinion LOL
            Smoke Ganja create Peace Respect Nature don't trash the Planet

            Soil grower with coco/perlite mixed in
            indoor/outdoor grower
            1 4x4x8 tent -veg.& flower - 2 viparspectraR450 =400watts from the wall it's what matters to me not the best old tech but it works for our needs.
            1 3x3x6 tent- used in late spring for seedlings both veggies & weed. I have 1 viparspectar 450r for that tent.
            I use a t-5 & 54watt CFL for seedlings
            Sometimes i use plastic sometimes i use fabric grow containers
            Currently using fish/guano during veg growth (outdoor only)
            FF Grow Big 6-4-4
            Age Old Organics Bloom 5-10-5

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              #7
              Molasses causes the good things in the soil to eat Nitrogen that would have been available to the plant. Which is why most of us feed it in the last stage.

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                #8
                I use organic molasses cuz it's sulpher free - when my plants are flowering. I have used regular molasses and it made all my leaf tips yellow..
                ​​​​​​3 X 3 gorilla. Promix soil . Green Planet Nutes
                Optic 4 - 415w COB 18/6
                Vortex in-line 6" fan

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