Fertilome root stimulator uses?


Can someone give me some info about this
root stimulator, I’m wanting to know what it is used for, how much of it to use and how often and on what stages is it used for? Thanks

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It’s basically just a 4-10-3 fertilizer with some Indole-3-butyric acid which is a growth hormone.
It’s meant to be used on young plants, newly rooted clones or freshly transplanted plants. That 4-10-3 is a weird ratio but I assume the higher Phosphorus is to promote root growth going along with the “starter” theme..

I use Indole-3-butyric acid in powered form for rooting clones.

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@1HappyPappy okay I have a clone that’s been trying to root for the past week and I have two autos that I transplanted into a 3 gallon pot about a week ago. So could you tell me how to use this? It says three and a half tablespoons per gallon but that seems like a lot huh

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The only thing I would consider using for cloning is a rooting hormone. You can actually root a cutting with plain water. Keep it simple Grow Bro, less is best most often :love_you_gesture:

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If you mix it at their recommended rate, your EC will be like 4.0 , don’t know how that wouldn’t kill young clones. I bought some long ago but I rest everything and didn’t use it after checking EC. Like @OGIncognito said, a little hormone or honey, even aloe will work.

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What about using it for month old autos

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I would just use nutes designed for cannabis, something proven. Just my opinion.

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Cool say no more thank you

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This was the conclusion of a long conversation with AI about useing this product with young cannabis and “what would Dr Bruce Bugbee do” :sweat_smile: was very entertaining and done good information.

Dr. Bruce Bugbee, a renowned plant scientist specializing in cannabis cultivation, has emphasized that cannabis requires far less phosphorus (P) than many growers assume, particularly in the early stages of growth. Here are some key points from his research and lectures:

  1. Low Phosphorus Needs:

Many commercial fertilizers provide excessive phosphorus, which can lead to nutrient imbalances and reduced microbial activity in the root zone.

Cannabis does not need high phosphorus levels for early root development; instead, it benefits more from adequate nitrogen (N) and balanced micronutrients.

  1. Optimal Phosphorus Levels in Early Growth:

In the seedling and vegetative stage, 30-50 ppm of phosphorus (P) is generally sufficient.

Traditional “high-phosphorus” root stimulators (like 10-52-10) are unnecessary and can even be counterproductive.

  1. Phosphorus in Flowering:

Cannabis does require more phosphorus during flowering, but even then, 150-200 ppm is usually enough—far less than the industry-standard bloom boosters suggest.

Excess phosphorus does not increase yield and can actually reduce nutrient uptake efficiency.

How This Relates to Ferti-lome Root Stimulator (4-10-3):

The 10% phosphorus (P₂O₅) in Ferti-lome is on the higher side for young cannabis plants.

Since cannabis needs only 30-50 ppm P in early stages, using this product at full strength could easily oversupply phosphorus.

If you were to use it, a more diluted concentration (perhaps half-strength) would be safer to avoid excessive P accumulation.

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