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Anyone get white substance on their hydroton rocks?

Completely agree with post above. Also I know these meters seem “too expensive” but they’re three in one. https://www.nutetools.com/product-page/the-nute-meter That meter is $60 and usually found in your nearest hydroponics shack or hydroponics store. I drive 70 minutes to my nearest hydroponics...

21 days and she’s still small? My gals I have in right now are 2 1/2 weeks old with about 3-4 nodes already. Your looking at stunted growth, you want to keep your humidity around 70-75% until they hit veg, then lower it just a tad bit. You do not want to experience humidity below 50% at really...

did you train these gals?

Regular leaf being the marijuana leaf? It’s had a few nodes of that already

I completely agree you need circulation. I have a 5x5 and it may be overkill but I have 4 fans making sure I don’t have any hot spots. I strongly recommend at least three for any grow. Have it on your plants so they can develop strong stems.

hey guys, so I’m about 2 1/2 - 3 weeks into my plants and I’ve got a few questions When can FIM come into play? My plants are getting to a bigger size and I just needed to know when exactly I can start this procedure. I also really wanted to know if I have the right amount of internode spacing...

Any LEDs work during this time, but Vivosun and Viparspectra.

I disagree here, no point in waiting really. They’re responding to LEDs very well, in fact you can hatch seedlings with LEDs and run the stage just as fine with it. CFLs create heat, and since I have a constant temperature in my tent room I don’t really have to worry to much about when to add...

Had the lights at 24” but I dropped it a bit more since I don’t want it to stretch too much. Keeping it there for now, fourth set of leaves coming in on one... should I be dropping my temps now? Right now a solid 80-85 but I can drop to 79-82 since I’m approaching veg?

With these two 24” or start at 28”?

Maybe just realized that, that’s the max wattage that the light can reach

Viparspectra was measuring at about 400w of true wattage, then the vivosun was at around 260w so that’s around 660. Not saying your wrong at all. Just trying to get more clearance. how far is too close for these seedlings?- too far?

To be clear I have found out the real solution to this. I searched up what each lights micromoles and then I found that seedlings/early veg need around 200-300 micromoles per second. My lights were emitting around 900-1000 at 18”. I multiply my height by 2, and my micromoles are 25% of that of...

Vivosun and viparspectra 600w each

I looked on the instruction manual and it said to put it around 36”-40” for seedling-early veg. Idk if this is correct so definitely correct me if that sounds incorrect

With 600w lights what do you suggest? 24 inches?

I’m afraid of this because I don’t want them to stretch too much for the light in my failed attempt in putting the lights too high up and have them topple over after stretching :/

I’m using a beautiful 5x5 setup, Vivosun for the tent. One of the lights is: VIVOSUN 600W LED Grow Light Full Spectrum for Hydroponic Indoor Plants Growing Veg and Flowering (120PCS LED Diodes) https://www.amazon.com/dp/B077P386Y1/ref=cm_sw_r_cp_api_glc_fabc_CvGeGb00X5Z7Z?_encoding=UTF8&psc=1...

I have two 600W LEDs (they say 600w on the box anyway)