I am in the 5th week of veg what should the ppm reading be

PPM for Hanna Chart PPM


Seedlings, Early Sprouts 100 to 250

Early Vegging 300 to 400

Full Vegetation 450 to 700

Early Blooming 750 to 950

Full Mature Blooms 1000 to 1600

Note: EC Calculations are different, here's a conversion chart :
heres a great chart that shows how different PPM can be from meter to meter... EC is the only real universal language...

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Roseman's DIY Bubbleponics-DWC Tutorial
Questions about Bubbleponic Growing Thread

This is the 6th week of veg all plants are at least 15in tall . will the yeild be affected if they are put into flowering

The longer the VEG Cycle, the larger the yield.


Consider this, in nature, outdoors, we plant a seed in mid to late April. It grows through April, May, June, July, and in mid to late July, as the sun's rays change, the plant naturally changes from VEG to FLOWER, with the diminishing sun's rays. That is nature's way. The plant grows and matures to an adult plant for about 3 to 4 months. THEN, it makes flowers. That is nature's way.
Indoors, in HYDRO with feeder tubes, we cut that time in half, by using 24/7 LIGHT. instead of 3 months, or 13 weeks, it takes about 6 weeks to become a mature plant in HYDRO, with 24/7 LIGHT.

OK, also in nature, we see most animals and humans reproduce at maturity or adulthood. If a human, (or dog or any animal) is forced to make babies before maturity, like getting a 12 yr old girl pregnant, then the babies are weak, or runts, or deformed, and just not at their best.
A dude here, a most experienced, knowledgable grower named fdd2blk (and a MOD here too) taught me a long time ago, that it does not make sense, it is not wise, it is not logical, to make a child have a child, and it is not wise or smart or logical to make an immature baby plant, have babies. LET THE BABIES GROW AND LET THE ADULTS MAKE BABIES.

If you will VEG for 5 weeks, to 6 weeks, you will have more time for proper TOPPING, PRUNING, AND FIMMING, and you'll get bigger plants, and you will also have a mature adult plant, ready to make healthy, stronger babies (flowers) .

If you begin Indica Flowering, after VEGGING 3 or 4 weeks, you will harvest about 60% to 75% of what you would have harvested, IF you had waited and VEGGED for 5 or 6 full weeks.

This info applies to rapid growing in Hydro, and to Indica strains. NOT slowly in SOIL, and NOT Sativa.

I average 3 to 4 ounces per plant, VEGGING 5 to 6 weeks, and I have gotten 7 ounces from one plant, the one you see at my signature. I got that with planned, proper Topping and Pruning and Fimming, and creating more tops or cola sites.


If you need info with pics on Topping, Pruning, or Fimming, let me know.

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Roseman's DIY Bubbleponics-DWC Tutorial
Questions about Bubbleponic Growing Thread

All the charts and feeding schedules in the world aren't going to tell you with certainty what you should be feeding your plants. Hydroponics is a science, but it's not a pure math science. Life has a way of complicating everything.

The charts and schedules are a guide, a starting point. You've got to let your plants tell you what they want in hydroponics just as you do with any other growing method.

I use the online calculator for the Advanced Nutrients products I use but just as a starting point for determining what concentrations to use. I usually make a number of adjustments before I put it in my hydroponics.