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  1. H

    Looking for a cheap Reverse Osmosis system...any suggestions?

    Ok, then whose up for a spirited round of high energy particle physics discussion? I got quarks, I got gluons, I even have leptons! But no mass vector boson yet (10 points if u get it :P) Nah i'm kidding lol (though I would love to find someone to talk on the subject about). I'm just...
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    Looking for a cheap Reverse Osmosis system...any suggestions?

    I hadn't wanted to get this detailed, lest I come across TOO arrogant lol, but you asked, so :). Well it may be a gas when added to the water, but the act of DISSOLVING chlorine into water is a reaction with water molecules. It is no longer elemental gaseous chlorine Cl2, but when dissolved...
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    Looking for a cheap Reverse Osmosis system...any suggestions?

    The electrical conductivity that 'EC/TDS/PPM' meters measure is a function of the dissolved IONSin solution. PPM is just a derived unit from EC and actually has no 'practical' analytical value, and TDS, from an analytical standpoint is impossible to measure with just an instrument, so it too...
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    Construction Physics

    Well greenhouses are structures designed with sunlight being the primary light source. I would think the tempered glass is a structural decision, with walls many feet high and many feet long. You said the structure you are growing in is a "2'x3'x6' wood framed cabinet", so clearly you are...
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    Looking for a cheap Reverse Osmosis system...any suggestions?

    I'm doing the $0.99/gal deal buying it right now myself. To make it last longer I add 1 gal of tap water to every 2 gal bottled demin water, which only produces about 0.1EC. It also provides, so far enough Ca/Mg, which as soon as I turned from tap to RO my plants suffered immediately...
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    Colloidal silver

    Quarters are 75% copper 25% nickel, there is no silver in them .... unless ... the quarter is from before 1965, or part of a collectors set they started churning out in the 90s. Either way, the value of pre 1965 and 1990s collector silver quarters is FAR greater then the value of the colloidal...
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    1/4 strength nutes actually means.

    Dates are irrelevant. Correct (and up to date) information is more important. I wish more people would resurrect old threads to add pertinent information that may (and often does) change since the thread was originally posted.
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    Pics of 10 Lamp PVC CFL Light Fixture

    O yeah, heat was a significant problem in the first week or two of growth. I have just since gotten it under control and in fact with the fan I have directly on the lights, I could grasp a lamp and it feels COOL
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    Pics of 10 Lamp PVC CFL Light Fixture

    Its never over 1", have done so on purpose, cuz my plants LOVE IT. They grow maniacally towards that light, and there's only an internode distance of like 1/4", even on my 'tallest' sativa plant. Only problem i've run into is I just switched to 12/12 well 3 days ago now, and they are...
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    Pics of 10 Lamp PVC CFL Light Fixture

    I moved the hood way above my plants to take these pics, these pics are about the fixture not my plants. I pulled the lights down in the pics to show the versatility of having them horizontal or anywhere in between to vertical at my discretion, they don't typically look that altered in the cab...
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    Too many CFL's?

    You can pretty much never have 'too' much lighting, but you can have too much heat. I'm currently growing using 10 (23W) CFLs myself, here's a link to a thread with some pics of the fixture i made: https://www.420magazine.com/forums/grow-lighting/146758-pics-10-lamp-pvc-cfl-light-fixture.html...
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    When to swap from 6500K to 2700K CFLs when switching to 12/12

    Believe it or not being a Biochemist has actually been a significant disadvantage lol, I think its because I become TOO analytical, and still not a botanist, so I can't read what my plants want heh. Its funny all these crazy nutrient blends are made of just simple salts that u can buy in the...
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    When to swap from 6500K to 2700K CFLs when switching to 12/12

    I only have one space to grow in, so no veg and flower rooms. Not what I want, but not a choice I have heh. So i'm trying to coordinate everything so they are all ready to flower at the same time. I'm hoping the 'stasis' method works, that is that I can take a cutting and keep it in the...
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    When to swap from 6500K to 2700K CFLs when switching to 12/12

    I'm using Canna Coco and its nutes, they don't work as you described heh. Both A and B are used in equivalence throughout the grow. Luckily I havn't had too much stretch, one is LST and growing like a mutant snake, one is the bushiest indica i've ever seen, one is still young in its life...
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    Whats best growing medium to use?

    I'm using Canna Coco right now for the first time and its great stuff, I won't ever use anything else unless I choose a DWC/NFT/etc. type setup in the future. I don't know what you mean by 'more then the normal NPK'. What does 'normal' NPK' mea? Normal? Are you talking about soil (which has...
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    1/4 strength nutes actually means.

    Also notethat a teaspoon is 5mL (well actually its 4.929mL but lets not split hairs haha), and thus a tablespoon is 15mL. I dunno, I just HATE HATE MOTHER F ING HATE using 'teaspoons/tablespoons/cups/etc.' when MEASURING VOLUMES lol. If you go to e-bay and look up 10mL (or 25mL or 100mL or...
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    Can I go 12/12 now?

    What do you mean by 'flip right'? Is there a set of actions i'd need to take to put my plants into flower? I thought just changing to 12 hours of uninterrupted darkness, and changing the lights if necessary (in my case with CFLs changing from 6500K to 2700K)? Sorry to hijack your thread :P...
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    When to swap from 6500K to 2700K CFLs when switching to 12/12

    Thanks for the advice goldengoose, good to know theres one less thing I have to worry about in terms of fucking up my plants.
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    Lighting for small 1-2 plant grow space

    What kind of money are you willing to shell out on ventilation? I would think this figure would be what dictates which type of light to use, if you can afford to move enough air to keep the HPS cool (or buy/devise/build one of those cool (as in cold, not 'stellar/tubular/radical' :P)...
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    Phantom digital ballast vs. Quantim digital ballast?

    I would buy whichever one is cheaper, assuming both are equivalent in the sense of being switchable HPS/MH, and dimmable ... if you want that. Both are high quality digital ballasts, and really the only two things that should affect your choice are the price, and the warrantys offered. I may...
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