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A few gardeners do recommend putting a small layer of stones at the bottom of the pots, so that any water in the tray underneath the pot will not have all the roots sitting in it. But for our purposes, where we use carefully controlled amounts of feed and water to try and get the most from our...

I get it from time to time, if I smoke a lot of quality weed. Never had it from commercial weeds, only homegrown.

Fennimore is right, I just tried it and got at least one place to supply either of the strains you mentioned. After you've done that a pertinent question might be "is (seedbank) a reputable supplier I can trust?".

Try asking fdd2blk, he's a pro grower in cali and I believe he deals with dispensaries. Search tags for tunafish to find his threads.

There's no doubt that hermies contain thc in the female flowers and to a lesser extent, the trim. I think the main reason for getting hermies out of your grow is the same as for males, to stop them pollinating your other plants.

If they are fresh seeds from a reputable seedbank then there is a pretty good chance they are good. All the paper towel method does is allow you to see if the seed is viable before placing it in your medium. It will not affect the germ rate, and can even cause a bit of stress, as Jerry pointed...

Tobacco tea is meant to be pretty effective at killing most insects, and won't harm your plants, here's the recipe https://www.rollitup.org/137883-post2.html

Some of the heat given off by that light will come from the ballast, yes. So relocating the ballast away from the bulb will drop the temps slightly, but in my experience even a 600w ballast in or out of a room will only make a few degrees of difference. HPS will run hot, the only thing you can...

Thanks for all that, you've been more than helpful. Now I just have to memorise it all.

I didn't say anything about opening the case on a ballast that was already wired to run on 220, just that certain ballasts might need to be wired differently for a different voltage. If it comes pre-wired to run on either voltage, what is the problem? I honestly can't see why you are asking this...

Here's a great cloning method I was shown a while back, I couldn't get it to work before I did this and now every cutting I take has roots within 14 days. https://www.rollitup.org/1189507-post15.html Fwiw, it's probably not a great idea growing in your parents garden. Besides the obvious worry...

There's no need to buy a converter, most good ballasts can run on either voltage, I think all digital ballasts can, they might need rewiring slightly but there are guides out there if you look for them. 220v will make the ballast run slightly more efficiently, drawing a little less power and...

Breaking the main stem won't kill the plant, it may sulk for a day or two but it's not flowering yet so I wouldn't stress over it. You might be able to clone the top of the plant, I always learned that you have to be pretty quick from cutting the plant to planting the clone but it might work...

Just say you are wanting to setup a home fabrication shop and want plenty of amps for running a welder, bench grinders, press drills etc. Do a bit of reading first so you can sound like you know what you're talking about and you'll be good. Most electricians aren't going to ask too many...

Thanks for that clarification, it's pretty much what I expected but it's good to hear it from someone such as yourself who really has a handle on all this. Do you know if there's any truth in the theory that curved glass can alter the spectrum of light passing through it?

Raising the light is only a temporary solution, as the plants will likely stretch to get closer to it, especially with cfl as the penetration is quite poor, they should really be kept within 2 inches from the plants. If it seems too hot when you put your hand there, get some more fans in there...

Look on the fans, they should have a voltage and current printed on them. Find a cell phone charger with roughly the same values and join the wires together.

Sorry, forgot to proof read my post above, where it says 6500l, it should be 6500k. K stands for kelvin, the scale used for measuring colour temperature of light.

As long as you don't exceed the current rating for any of the power strips or the outlet you are plugged into, no problem. I assume you are wanting to run lots of cfls around the room? Don't try to daisy chain loads together into one long extension cord though, you end up getting a fair voltage...

If your entire house only has enough supply to run two electric heaters on low, I would seriously think about getting the place professionally rewired before you consider running high wattage lights 12+ hours a day. What if you want to use the oven, or a vacuum cleaner and it trips the breaker...