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so, the ideal temp should be at the top of the plant ?

Thansks for your replies. Well, I went ahead and used a tsp of calcium hydroxyde on each bucket. Tomorrow I will measure the ph. What I observed until now, is that a bucket with three plants (the ones from the pictures) are showing something different. The tops are a little bend down, but just a...

OK, thanks. So just distrubuite it evenly and not cover with soil. OK, I will do it in two days, the next watering. Thanks again for everything. I will go online in two days, to see maybe you can reply about 13/11 . I read on books that it's OK, but I just want to double check.

btw, is lemmon juice better then vinegar? It's natural. IAm5toned : I deserve it, but I didn't lnow what lime is. And I was in the hurry on the guerrilla wireless internet I am using. I am too paranoid to use the home one. I am also paranoid to order stuff online, or to visit the only grow...

airflow is assured by a big centrifugal fan trough a carbon scrubber. But only in the light time. In the night the fan is off, because it would be to cold inside the box.

I will be carefull. So how much should I use? I have 6 gallon pots. I should put 1/2 inch of calcium hydroxide? and then cover it with 2 inch soil. I have space since the soil shrinked a little (normal). And after that I should continue to use the PH 6.4 balanced water? I am used to add...

I think calcium hydroxide is good, but I need confirmations pleas. Also please help me decide if 13light/11dark is also ok? will it triger flowering? I read that yes but I just want to make sure. I don't want lower the yeld on Lowrider. Thanks

hehe, calcium oxide is very easy to find, it was used for painting walls. Is it good if I put this? http://en.wikipedia.org/wiki/Calcium_oxide also calcium hydroxide is easy to find, http://en.wikipedia.org/wiki/Calcium_hydroxide what's better to use ?

is this what I need?: http://en.wikipedia.org/wiki/Dolostone http://en.wikipedia.org/wiki/Lime_(mineral) maybe this way I have better luck finding. lime is calcium oxide or calcium hydroxide

isn't 13 light/11 dark better for lowrider? Will it work for normal plants?

no, I am in eastern europe.

thanks. Any advices on how can I raise the PH in soil with household (grocery store) items. I googled the lime, and I can't find it here. Maybe I can find ph adjusters for aquarium, will these work in soil? Also I need your advices on another point, I have a lowrider in six weeks and the...

thanks. Any advice on males (I guess they all are) and the leaf. from the pictures?

OK, thanks for your replyes. I will try to find the lime, if it's available at grocery store. One way or another, if PH in the soil is 5.2 now, I guess water at 7.5 is not doing that bad? Or should I continue to use white vinegar, every time I water. As I read here it's ok...

the tap water I am using has the ph around 7.5 after leaving it one-two days for removing the chloride, that's why I am using vinegar.

so I should't use vinegar in water? Meaning, just combine one ml of vinegar to 1.5litres of water to adjust the ph to 6.4 ? I used this and the plants look happy. I read about this in a book, vinegar for lowering, sodium bicarbonate for raising.

I used vinegar and sodium bicarbonate to lower/raise the ph at water. Can I use stomething similar/easy to find for soil. Please try to help me as I am not using my home internet, and I can't stay long.

then what lime? the lime powder that is selling at stores? :( I was talking about the fruit

I am having some problems. Let's start with PH. I am in six weeks veg for some, and with one Lowrider also in six weeks. I always adjusted with my Hanna Ph tester the water to 6.5 (using vinegar). The soil has the 5-6.5 mark on bag (best I found). Today I tested ph, by watering with 6.5 and...