rockwool

I want to experiment with fiberglass, I want to sterilize it, press it into a mold and make my own grow cubes. Is this a bad idea? There are very few resources about fiberglass being used as a growing medium, can someone point me in the right direction?

Hey guys, After running on dirt for 1.5 year I truly got tired of lifting bags of dirt 4 floors every few months. I am planning on running an Ebb and Flow setup like the one from this video. I plan on using rockwool giant cubes inside pots as medium. I am aware of rockwool preparation before...

Seed Bank: Marijuana Seeds NL Strains: 17 x THC Snow (THC Bomb x White Russian x Big Bud), 17 x AK-47 (Colombian x Mexican x Thai x Afghani), 2 x Caramelicious (Maple Leaf x Afghan Kush) THC Content: THC Snow: 20–28%, AK-47: 15–20%, Caramelicious: 17–20% Veg Time: 5 weeks Flower Time: 8–10...

Cloning in Rockwood with trays and domes. Wondering if I am supposed to leave the wrapping on the outside of the cubes? Checked a couple and some are starting to root some were not doing shit. Can clone anytime. Have a mother and 40 or so plants on day 5 of flower. Want to get this straight...

Had 1st year growing last year. Did 3 perpetual soil grows. This year trying bubbleponics. Have rockwool and having issues! Small cubes soaked in PH 5.9 RO water. Germinated seeds in papertowel, then placed in the rockwool which was shaken out for excess water. Placed in dome. One popped up but...

Is it alright to use rockwool that u use for home insulation ? Or is it diffrent type.Because in area where I live theres no hydro shop around and I dont want to use internet to buy anything related.

I'm setting up a flo n gro bucket system and in the past have always used hydroton as my media with good results but dang that stuff requires lots of work. Just wondering all of your thoughts on using this product? I can only find example photos of this being used but no info on results. Would...

Hey guys, this will be my first time posting/asking questions publicly about growing, I've been growing for the last.. jeez probably 7 years now and I've kept completely solitary about everything. I've done years worth of reading and studying many aspects of growing, about 7 years of actual...

Getting different answers from all the videos and books so was wondering what the case was? I already bought a heating mat with adjustable temp controller, so would all I need to do is place the humidity dome under the mat and put it in a dark place? Or should I just plant the seeds and...

Hey guys, I'm trying to use rockwool stonewool blocks to germinate my seeds and I was wondering what size cubes I should start with the 1"x1". 1.5"x1.5", or 2"x2" cubes? I'll be using a 2'x2'x4' vegetation tent and 4'x4'x8' flowering tent, and was also wondering what size garden pots I should...

Hi guys, just harvest 11 buckets ebb and grow system few days ago. Its 7 liter bucket fill with hydroton. Yesterday I tried to clean up hydroton, It took me 5 hours to get rid of roots. Wonder how you guys clean your hydroton? Also think about change medium. coco? rockwool? I can simply throw...

Hello everyone! I am a first time grower. I planted seeds 8 days ago and my progress pictures are attached to this post. I am seeing a few potential problems and a requesting some advice from experienced growers before I try and solve these issues. 1.) Middle area of first set of real leaves...

I'm new to using stonewool, actually just started using 4x4 blocks and macro plugs yesterday. But I've read alot about them. One thing that comes out mind is that EVERYWHERE on mj forums say that blocks are acidic and raises pH. Well, it's actually pH neutral just like hydroton. So this...

Hey guys, The title says it all really. I have a 20 pot X-Stream Aeroponic cloner that I'd like to germinate some seeds in, it comes with cloning collars that are about 1/2 inch thick, which obviously won't get the seeds wet or support them for the first week. What is the best medium for...

I am cloning with rockwool and Clonex and I put like 30 clones on Perlite and closed the lid for a couple weeks. I came back and the majority of the perlite below the rocwool was green and slimy and the rockwool was hit hard with it. All the plants rooted with decent looking white but small...

Hi all! New grower and member here! First off thank you all ahead of time for reading and replying. I have a few babies on their way out. Just moved them into flower. They had a rough coming up but by the last week of veg they were strong. Got everything dialed in in the tent we had set up. Had...

clonex mist for rooting clones is about 99% water and 1% rooting solution. just a tip to save growers money, you can buy a rooting solution for about $15 a liter and mix 1 tbs to a gallon of water and mist away!

Howdy RIU, For this journal I'll be growing 4 green crack and 2 chem dawg under 300w of LED. The panel I'm using is a go green leds cree3070 chip set and I'll be using it in a 40"x40" tent with active intake and exhaust. The grow method of choice is a rock wool drip system. I am a long time HID...