mh bulb

  1. K

    Does HPS cause more stretch than a MH?

    I’ve been reading a lot of conflicting information about this. Some people are saying HPS causes more stretch with quicker growth and others are saying MH causes more stretch with quicker growth. Who is right? Does anyone have experience vegging with both? I’m currently in early veg and have...
  2. T

    3x3 tent lighting?

    I have a 3x3x6 tent on the go. Plants a few weeks in under a small LED light. Was intending to hook up a my HID light fixture today with the 400 watt bulb I had and the ballast that I got in the mail today. My stupid (and high) ass didn’t realize the lowest setting for the ballast was for 600...
  3. Kaydoo

    My newbie design 4x2x6

    My setup: 4x2x6 Tent Light: Hydroplanet™ 600w Air Cooled Tube Hood with dimmable ballast Medium: Hydroton and Rapid Rooters Pot size:Four - Five Gallon buckets Exhaust: iPower 6 Inch 442 CFM Duct Inline Fan with 6" Carbon Filter Fans: Two small clip fans on LOW setting Airpump: E G Danner 40518...
  4. Disjointed_Can

    250w hps/mh for 2x3 tent

    Is a 250w hps/mh enough for 1 plant in a 2x3 by 5 foot tall grow tent ventilited. Growing in soil. I bought a marshydro 300w led but i fear that wont be enough...
  5. peracho

    can I grow with just HPS

    Came home and my MH was cracked and off. Not sure if i can get another right way. I have my 400 watt hps. Can I veg and flower on just that and that alone. Also what effects may I come upon using only hps as apposse to mh and hps ? Thanks
  6. peracho

    400 Watt grow

    So need to know how many plants I can get under a 400 watt HPS/MH grow. First time using HID lights
  7. A

    First Grow, Large Grow. In need of consultant.

    I am a licensed medical grower for a legal medical state in the northeast. My Goal: To grow as much tree as possible by the end of the year. Efficiency is of equal priority (space, electricity, and time), as well as some variety of medicine. I plan on harvesting every 2 months after initial 2...
  8. MaloMAL

    FOUND a way to get unlimited SAMPLES. Newbie style !

    Just ask. It only takes a moments time. We all want just a little bit more for a lot less lol. OUR plants need the resources and for those who can't afford them. This will be the BAM. LIKE boom son ! I think some blew up. Oh well. :weed:
  9. M

    Hey will this mh 400w work for veg help

    Hey guys so i got this one floodlight 400wfrom afriend it has mh bulb in it its this brand isit suitable for veg ?https://uk.rs-online.com/mobile/p/metal-halide-lamps/6997200/ it sure is hot
  10. 2Ton

    Week 6 Flower 5 x Dr Krippling - Incredible Bulk In coco 20ltr pots

    Hi guys were in week 6 of flower under 2 x 600w hps and 1 x 600w mh. Ive defoliated throughout veg and flower they have also been topped. There are some good sized colas and they are covered in resin!! Enjoy :)
  11. muleface

    What to do with old MH fixtures...

    So I acquired 3 - 400w MH fixtures. The ones you see in a warehouse. I paid nothing for them, but they all work and have bulbs in them. I'm sure they ran the bulbs in them to death, these bulbs look pretty old and don't produce much light anymore. They have the old magnetic ballasts in them. I...
  12. F

    Mixing DE HPS with MH in flowering

    im going to run 2 DE gavitas in my 9x5x8 tent Scrog. HPS In my last tent with single ended, I mixed the spectrum. For every 600 watts of HPS I had a 400watt mh. This is said to do many things. What are the thoughts on adding a mh in between my two gavitas? If I control heat etc, I think it...
  13. Drew2k

    Is it normal to see sort of a brownish and burnt buildup on top of bulb?

    I have a 1000w MH bulb that has this sort of.... gooey brown and clearish buildup on top of the bulb - not at the base, but right on top about an inch away from where the base of the bulb starts. I almost thought it looked like the bulbs glass had blown up on top but Upon inspection it's...
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