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The issue is that, if they believe what's on the labels of those bottled additives, cannabis growers unknowingly apply carcinogens to their crops. The pretty bottles and fancy labels are there for a reason, and it's not for science, horticulture or reporting the truth. And the other point...

Additives are not plant food. Don't fall for them, there is no science behind any claims. At best you're feeding the microbes in the soil, but with what, and how is that improving plant health? Those products are loaded with preservatives; they couldn't exists without them. Methyl paraben...

Hi Everyone ! If I may chime in, the answer is yes it goes both ways, "epigenetics" is the mechanism by which plant clones can lose or re-acquire vigour. We can increase and decrease plant growth and vigour epigenetically. Epigenetics affects flowering, autoflowering, cold acclimation, loss of...

I would skip MKP if you already have a bloom booster - they are the same thing usually. Mono potassium phosphate - MKP - is another good dry powder to have on hand. This is all that's in every "bloom booster" out there. I use MKP sometimes but only at a rate of 0.25g/liter. Loads of more P...

These days we cannabis growers can always obtain the same 3 dry fertilizers used by professional growers; it's nothing requiring an 'elite' or special access. At the back of every cannabis-grow-store you will find all 3 dry fertilizers I mentioned. They hide the stuff, but will sell it to...

Forgive me for butting in again, I posted way back .... But I must try again; Think this through, if you stop using bottled concentrates you will save lots of money. Liquid concentrates are only sold to cannabis growers - why ? Cannabis growers are the only ones who buy liquid concentrates -...

I posted this elsewhere but, If you want to use just water to irrigate your crops, and get complete nutrition for your plants then try this. 50% Seasoil mixed with 50% Promix or Sunshine, and Doloprill Lime topdressing. http://www.seasoil.com/about.html Use as a topdressing or mix in by 50%...

There are many fungal species that are "endophytes" - fungi that live on cannabis buds which can repel botrytis and other pathogenic microbes. They look like white, frothy mold, and grow anywhere on the plant. I'd cut that part off the plant and dispose of the moldy buds. It won't spread like...

Powder fertilizers are not bad for plants, try some! All modern greenhouse growers use them with 100% success. Just use a base powder fertilizer at 1g/L like a 15-30-15 or 20-20-20 for N,P,K and all chelated micros. Then get Calcium Nitrate (0.3g/L) and Magnesium Sulfate (0.2g/L) for Ca and...

The cut-flower-method of depleting a plant's internal reserves of mineral nutrients work wonders for improving flavour, colour and nose of cannabis buds. Do just like you do with cut-flowers from the florist, but change the water in the vase everyday. Simply cut a mature cannabis plant, right...

The truth will float to the top of this long thread, if we stir it gently... And learn a thing or two... Liquid concentrate fertilizers sold to cannabis growers are not worth the cost, and can never offer a guaranteed minimum analysis, and are never used by professional growers (ie greenhouse...

Usually at -7 Deg C plants will have the water outside their cells freeze. This will damage her, but might not kill ! She might survive -5 Deg C. At -18 the cells freeze inside too - definately lethal !

Even at night I use 72 deg F, and keep the dehums' going. I like to keep things cool - The AC's dry the air so well, I like to keep them working hard to increase VPD. Are your dehumidifiers able to keep up ? CO2 will get into the plant easily if the plant has no water stress, so I keep roots...

If you have enough light to drive the 'extra' photosynthesis, always enrich with CO2, right to the end. Just a few facts about plant physiology to consider: All green parts of the plant, every green cell there is, are trying to fix CO2, and capture it and build the CH2O carbohydrate into the...

Hi Mike ! We all love your plant ! I wonder if you prevent any indoor house lights from shining on the plant through the windows - do you close the curtains at night ? Any spill over light, even as dim as moon-light, that occurs during the dark will cause the plant to slow its ripening, and...

Those plants look great ! Molasses can over-fertilize with iron and other micros as it is a boiled-down concentrate, I would not rely on it for calcium. Use maximum 0.25 grams Epsom salts per liter of water if used alone. (More can cause lock-out and precipitates) A perfect Cal-Mag nutrient...