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Hi everyone. I've seen some of you guys have excellent plants and fantastic experience. I really like seeing pics of yours... green and well-trained ones. I want to ask you to upload your pics if possible so we have a album of girls here. Here is mine after 2 weeks of wrong ph at root. She has...

I got many problems these days with root ph. My runoff ph is lower than 5.3 and it is not going to go higher Though I'm feeding my plants using 6.4 ph water. I also have almost heavy Ca deficiency as i pictured below. What wrong i did, i asked myself. when i was washing my coco i found 300g...

Hi guys. I got a bit confused. How much air/water flow i need for a plant in DWC? it depends on CO2 level? Give a range please. i wanna buy "General Hydroponics GH4720 Farm Controller, Terra Cotta" from Amazon. Is it a good option for me? Idk how this system makes water to flow using an air...

What dose 'too much light' mean? Which physical parameter is related to 'too much light' term? I think 'too much light' that cause light stress on plants relates to intensity and duration of the light simultaneously not separately. I think total light that plants get in a day determine how...

Hi everyone. I started germinating my seeds on 9 Oct directly in Coco/Perlite mix, 1st grow. After 2 weeks applying 0.6 dose recommanded by GH even with 2 times more CaliMagic dose i used i saw Ca deficiency, brown spot and culing up on leaf, on 1-finger leaf in one of my seedlings. After that...

Hi. I just built my 1st grow tent, 3.5'×3.5'×6'7". I have a Platinum P450 and a 600watt VIVOSUN MH/HPS kit, Coco coir as medium and Flora Trio/Calimagic as nutrient/Supp. Rest are not important somehow in here. also have 7 feminized seeds. 3 of em Critical kushs by Barney's Farm and 4 of em...

These 2 are a little Contradictory to me. Small source of light losses intensity over distance faster than big light but a array of panel that use many but smaller watt ends up more efficient although they lose intensity faster? I think LEDs have a big problem that can be solved easily using a...

Good point. I've thought about it before. Ive read many LED panels specifications, many of them are like candle even they use much much power. But there are some LEDs panels that are able to act better than HPSs and even Sun. Many 3watt LED planel use 90 degree lenses and should be placed at...

Spectrum and intensity both matter to our plants and us indirectly. Assume we cant change spec as each light technology has its own unchangeable spec(almost) But we can change the intensity by using more power lights. The lights with the same technology that consume more watt give us the same...