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  1. S

    Help with CO2

    CO2 I am growing hydroponicly in a 4ft x 5ft closet in my bedroom using led lights. Should I add a CO2 generator ( home made ) in there and also is it safe to breathe? I'm afraid they arn't getting enough air. Thanks
  2. S

    Tap water with chlorine - Can it be safely used on plants?

    i have city tap water w/ chlorine in it . is it safe to use on plants ? i heard that if you fill a water jug and let it sit open over-night that the chlorine will evaporate and that its safe to use. has anyone tried this on they're plants, and if so how did it work out?
  3. Rider509

    Completely useless research of Dissolved Oxygen Concentrations

    This bit of research was done for a new member who wanted to know the "safe range" of oxygen concentration in hydroponics given as a percentage. Turned out to be a waste of time but I thought I'd share it with everybody so you can waste time reading my useless findings. Feel free to trash my...
  4. A

    Another Please Help With Lights ASAP?

    250w Magnetic Ballast HSP25223221 CD-Z 400W Igniter E40 Bulb Fitting UK Plug (240v) Is this safe? Or a fire waiting to happen? I never realized i needed an igniter... total noob. This one was the only one I could get today locally. Then the wiring played with me for hours... I've ended...
  5. N

    Are aphid infested plants safe to smoke?

    Last night a friend who works in a dispensary grow facility gifted me with a few plants that they were tossing due to aphids. Tonight he told me that his boss suggested that the "stuff from the black bag" not be smoked. But the stuff from the white bag is OK. I've been going through the...
  6. K

    Petitions To DEA - Tell The Truth About Medical Marijuana

    As the medical marijuana rolls out in Florida (the 29th state to allow it), there is growing concern that the incoming Trump Administration–specifically Attorney General-designate Jeff Sessions–may try to roll its access back. That's why Americans for Safe Access says it has petitions with...
  7. K

    Safe Marijuana Consumption Campaign Launched In Colorado

    Denver - It's 4:20 somewhere. Start low. Go slow. Please consume responsibly. If you're gonna dab, take a cab. Lock it up. Keep it from your curious kids. Please consume your cannabis responsibly. The above slogans will be just a few of the ads people will start seeing across Colorado...
  8. K

    MT: Anti-Marijuana Group Dinged For Campaign Violation

    Billings - Safe Montana's founder directed a contractor not to release the contract for a series of anti-medical marijuana billboards, according to the Montana Commissioner of Political Practices. Commissioner Jonathan Motl released his decision late Thursday, saying that Safe Montana should...
  9. C

    Is this a safe option? Cable for LEDs

    Hi everyone i was wondering if it would be safe using a y splitter pc kettle lead type plug for my mars 300 leds ? this is what im talking about. I dont want to risk anything so thought i would ask thanks
  10. K

    MT: Approving Medical Marijuana Is Common Sense

    As a citizen of a progressive city like Missoula, it pains me to drive down Brooks and see an oversize billboard urging citizens to further prohibit access to medical marijuana in Montana. In fairness, the billboard is a gift from Safe Montana, an anti-medical marijuana movement stationed in...
  11. K

    MT: Approving Medical Marijuana Is Common Sense

    As a citizen of a progressive city like Missoula, it pains me to drive down Brooks and see an oversize billboard urging citizens to further prohibit access to medical marijuana in Montana. In fairness, the billboard is a gift from Safe Montana, an anti-medical marijuana movement stationed in...
  12. K

    Floridians Are Ready For Safe, Legal Medical Cannabis

    With all due respect, we're talking about cannabis as medicine. What in the world does that have to do with "pot shops"? This sounds much more like prohibitionist propaganda than a perspective based in science and medicine. One doesn't have to look too far to learn of the real benefits of...
  13. K

    Floridians Are Ready For Safe, Legal Medical Cannabis

    With all due respect, we're talking about cannabis as medicine. What in the world does that have to do with "pot shops"? This sounds much more like prohibitionist propaganda than a perspective based in science and medicine. One doesn't have to look too far to learn of the real benefits of...
  14. Justones

    Garden safe insecticidal soap spray?

    Is this garden safe insecticidal soap a good safe thing to use on flowering plants? I have read on here the brand "safer garden" was safe to use till harvest day even. Just curious about this brand. On another form I read someone says it was good to use even till harvest. So I'm asking more...
  15. K

    PA: Medical Marijuana Safe Harbor Letters Available

    Secretary of Health Dr. Karen Murphy announced that applications for the Pennsylvania Medical Marijuana Program’s Safe Harbor Letter are now available online for parents, legal guardians, caregivers, and spouses to administer medical marijuana within the commonwealth to minors in their care with...
  16. K

    PA: Medical Marijuana Safe Harbor Letters Available

    Secretary of Health Dr. Karen Murphy announced that applications for the Pennsylvania Medical Marijuana Program’s Safe Harbor Letter are now available online for parents, legal guardians, caregivers, and spouses to administer medical marijuana within the commonwealth to minors in their care with...
  17. F

    PH adjustment

    Is it safe to adjust PH using sulfuric acid?
  18. R

    While Maryland Dallies On Medical Marijuana, Children Suffer

    Parents helplessly watch the open, vacant unseeing eyes of their child, knowing inside their kid's brain an electrical firestorm rages. The seizure passes, and the immediate parental relief is tempered by hard experience: This is just a break until it happens again – and it always, always...
  19. F

    Safe transplanting

    Is it safe to transplant when the plants are flowering? It's about 6 weeks in. No pics yet.
  20. I

    Shaggy pesticides

    Hey everyone i was wondering if garden safe insecitcal soap works well