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T5's are just flourscent light bulbs. They are the thinnest and most efficient available. Think of them as a spiral CFL stretched out. CFL stands for Compact Fluorescent Lamp, a T5 is the same type of lamp just not "compact" You can switch spectrums by switching bulbs. They are readily...

I dont think its calcium deficiency. That is very minor damage and could be a number of things so I wouldn't try to correct it just yet. Heat stress usually appears in top growth first with the foliage closest to the heat source. The leaves will yellow and the margins will fold upward. 85 is...

A nutrient deficiency makes the most sense to me. Are you feeding it?

They look OK to me, I would say she is bolting or "foxtailing" Some strains do this in late flowering naturally, it also happens when the heat is excessive. Not a real problem although they are a pain to trim. Don't go chasing non-issues trying to "fix" it. Just let her finish. If the bother...

Plants will do this when they are watered. It is not a problem and is just the plant using its natural mechanisms to account for the excess water supply. Dont try to "protect" your outdoor plant. I can guarantee it can handle itself and you are probably doing more harm than good. A plant...

You can grow one big plant in that area if you train it to grow horizontally. I would consider a screen or trellis and grow one or two plants while training the tops to fill the screen. Prune the lower vegetation that will be shaded by the canopy. You wont get much penetration with CFL's to...

Dry them slowly and evenly. It should take at least a week. IMO temps in the 65-70 range and RH of 50% is optimal for a nice slow dry. If the branch breaks when you bend it rather than just fold over, it is dry enough. You can also roll a joint, if it stays lit and burns evenly, it is dry...

Cuttings dont need much light until they establish a root system. . Check this out. It might help explain the processes which are responsible for healthy plant growth. http://www.cmg.colostate.edu/gardennotes/141.html

After thinking about it, I suppose light saturation has more to do with intensity than duration. I still think 24/0 is unnecessary and cant imagine it making a difference. Under 18/6 I get fast growing, lush plants with tight nodal spacing. If youre getting slow growing, lanky plants its not...

They don't need 24 hours of light either. Light saturation is the point where photosynthesis is maxed out and more light is not used by the plant for energy. This can damage plant cells, increase the rate of transpiration while not increasing the rate of respiration and cost you $$ in wasted...

BTW, you dont have to top the plant.

I would root the cutting first under 18/6 or 20/4 lighting. The cutting will have no roots and will not flower if put directly into 12/12

Apples and oranges. Topping is a training method. Lollipoping is pruning lower branches that are shaded by the canopy.

Actually, it is because light is supposed to degrade THC in trichomes. Stressing the plant isnt a good idea if your goal is to maximize its potential. Females that have not been pollinated will often self pollinate late in flowering. This is a natural response as the plant nears the end of its...

You dont need a microscope. Learn to read all of the other visible cues like slowed/halted development, change in leaf color/vigor, dying back of pistils & swollen calyxes, fullness of flower clusters, etc. IMO, you shouldnt even bust out the microscope until the plant looks ripe in all other...

Dolomite lime powdered limestone. It is a common soil amendment to increase the buffering ability of acidic soils and provide Ca, an essential macronutrient. Too much Ca can also cause problems so I wouldnt just add lime without knowing what is in the soil to being with. Most potting soils...

If you deprive plants of nutrients then the yellowing/dying of leaves is a sign of malnourishment not that the plant is getting ready for harvest. If you feed them enough the keep them healthy and dont overfeed them, there is no need to flush. A few leaves turning or dropping is normal. When...

If it smells like grass clippings or hay, you probably dried them too fast. Drying should take at least a week. You want a slow dry. IME temps in the mid-upper 60's with RH 50% makes for a nice slow dry/cure. High heat during flowering can also decrease terpines. Overall, you want to raise...

It can take a couple weeks to see flowers forming. The spectrum of the light isnt what causes a plant to flower, it is the photoperiod. Keep them at 12/12 and you should see something soon. I would contact the breeder and let them know your auto isnt auto-ing.

Few things... You do not understand how plants use nutrients. RH only matters in reference to temperature. 30% RH means nothing by itself. You need to talk about how temperature fits into it. That is the relative part of RH. The vast majority of people do not need to heat the roots/soil...