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imho, i would just fill the water to near the top of the pots. i would also put them in a much bigger pot. i hate repotting bc of the stress it does to the plant. if you repot with more grow rock consider repotting underwater. basically pour in your new grow rocks in the larger pot with the 2"...

i like the humidifier approach myself but you can also just get an aquarium pump or two and pump air into the water to help facilitate evaporation. aqua pumps are pretty small and i you have tubs with water already in there then it sounds easy. just remember adding air to the water will make...

are you keeping the roots of your dwc in the air as much as possible? if so i would think that would have quite a big negative affect on growth. the roots are going to have a hard time getting nutes from the air. Also, is the size of your pots for dwc to small and limiting growth? when i...

yes ph neutral. i ive picked out some old seeds to test it on, maybe some clones later depending. 3 straw cough, 3 nyc diesel and 4 randoms seeds for now. i think this will turn into a journal.

horticulture grade- it must be mined from fresh water, NOT salt water as it will prove deadly to your plants. Its mined all around the world, probably in your back yard. I get mine from an Australian company that appears to be imported into canadia now that i'm looking at the site. check it...

i concur. theres more than one way to skin a cat. just have to find what works for you.

i think your using powdered DE ozzy. I'm using DE that hasn't been crushed the whole way like yours. think 1/4" to 1" pieces of broken chalk. just like you used in school but not so white.

i think the major advantage to DE is the massive amount of tiny,porous air pockets and also the larger ones from the basic shape that allow for a surprisingly high amount of air and water exchange. DE is so porous it floats until saturated with water. its claimed to absorb as much as 150% of...

i've never worried about getting bubbles on the plants roots. whats important is to aerate the water, allowing the plant to take up dissolved oxygen (DO). Err more on the high side than less. but also note that if you don't take care, this can cause certain nutes to fall out of solution and...

I've been doing dwc for about 3 yrs. the advantage over this method is that there is no need for air pumps. less electricity, less noise, less heat, less fluctuation of ph, less nutrient lock out i suppose. look up hempy's buckets, krusty Bucket (kfb?), etc. they are all essentially 5 gal...

I could never use anywhere near the recommended nutrient levels with that stuff. That being said, it worked well for me. I don't use it now b/c it's inorganic. Good Luck.

Basically, lady that grows orchids taught me about a passive hydro system using Diatomaceous Earth (DE). Its similar to many of the "bucket" methods with a hole drilled in the bucket to make a rez. She says the DE allows much greater wicking than using soil, vermiculite, perlite, coir, etc...

i've done many a grows using the combined drip/dwc and would recommend it to anyone. just keep a good check on your ph b/c it will fluctuate and remember to flush periodically. rez changes once a week for me. also i don't use hydroton b/c of poor wicking quality. i use PrimeAgra which is a...

yeah so i'm a little late to chime in but here it goes. MassPro I agree totally with you re: that the health of the roots are very important and often overlooked. A little back story: When i was an enviro engineering student one of my professors of silviculture (think agriculture of trees) said...

what would you like to know exactly? price for what?

whatever happened to that sweet lady? did you repot it to a larger pot?

you can always use "super-cropping" i.e., pinching the apical meristem, to minimize height growth.

this was actually the subject of my first biology lab in college. there was a noticable difference between the various field specimens. quite amazing the whole setup. this just shows how really "in tune" the native americans were (and still are). i've been wondering what plants could be used...

Do you submerse the cutting's end in water, or do you let it rest just above the water to get misted by bubbles?

Do you submerse the cutting's end in water, or do you let it rest just above the water to get misted by bubbles?