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No offense but my father is a chemist and my step-father is a botanist and my younger brother is a pharmacist and you have your terms wrong... You nearly always need your EC above 1 generally you need it at almost 2 (measured in miliSiemens which is what I assume you are talking about), to...

Ok so today was my first day of lights out and there seems to be some interesting results, I'm not sure if this is normal or not. So some of the leaves at the top of the canopy seem to be turning a little yellowish, I can't tell if this is because of the HPS's different light color or what...

I don't have this problem, I have Hard Water with an EC of over 300!! I use the lucas formula (I just add the 300 to the required EC ~1800+300), I haven't had to adjust the pH since my plants where ready for 100% nutes thats many weeks now and I check my pH daily! My pH ranges from 5.8 - 6.2

So this might sound like a dumb question but it needs an answer! I have a 1000w MH/HPS lamp with a cooltube reflector my question is to get the best cooling so I want to "push" air through the reflector or do I want to "pull" air through the reflector? Basically I'm asking which way do I put...

I have a journal going on my first grow which is an ebb& flow, I nearly killed all the plants but two have survived and I'm quite happy with how they are doing to be honest! At the bottom of page 2 here: https://www.rollitup.org/grow-journals/287031-400w-mh-hps-first-grow-2.html you can see...

Hey man don't get discouraged, this is how we learn right (not saying you are just saying sometimes there are disasters! lol) I've seen some wicked grows with just floros. I started myself with 5 seeds, 4 germinated and I killed them all but 2 (and nearly killed those two) because I was...

Yep I picked up the final materials I need today to make my own Carbon Scrubber. I will post it when its completed and how I made it, I figure I have a few days till it starts to stink! Yes sir! That is why I chose to keep the lights on at night and off during the day, I made the room light...

Actually that makes a lot of sense I never looked at it from that angle, today was actually thinking about my bulbs and how I am going to deal with a bulb failure in the middle of a grow I guess since I will be doing DWC (well bubble ponics) need to consider my air pump failing as well. Great...

Ok, well I decided that these plants are gonna get too big if I don't flower them NOW.. So I switched over to the HPS bulb and put the light on a timer, they will be on all night and off during the day (12/12). Anyway Its super cold here so I opened up the heater vent in the room and closed...

Can I ask if was necessary for you to add the second pump, it looks like I have the same air pump and I was going to use two air tubes per bucket like you did in the beginning, it looked like you had some wicked bubble action? Thanks again!

I've never grown before but I bought my first grow book 15 years go! I've read 1000s of pages and I can tell you I've read a lot of problems people have and just the overall work involved in draining your tank adjusting your pH etc.. I had to adjust my pH up until I was at 100% nutes 8/16 now...

So today I refilled my CO2 DIY bottle.. I have no idea if it really helps or not but it makes me feel like I am doing something :) So I added 2G of water back to the rez today because the plants apparently drank that much in a day and a half which was pretty impressive to me! Checked the pH...

Well I am going to have to rethink the door covering, the big issue is the material we used to cover up the doorway pretty much sucks, it tears easy (I've ripped it like 5x already). Any suggestions would be good... I read in one thread about a painter's tarp then tape mylar to it.. I might end...

Thanks for this great thread I plan to follow it to completion. How can you tell the sex already? I am just a noob I thought i had to wait until they started to flower before you could tell Sex?! Thanks for any info!

Yea, my pics just show to the light but there is another 6'+ in that closet... The closet is pretty deceptive there is a lot of vertical space that I can't even capture with the camera.. and the light is on a chain which makes it pretty easy to move up and down.

Thanks for the feedback I guess I was under the impression that doing the 24 hours of darkness helped put the plants into flowering better then just going straight to 12/12... if not then I will switch to 12/12 either Friday or saturday... I have quite a bit of vertical space so of the plants...

So I am thinking next Friday (like the movie lol) I will turn my lights off for 24 hours then I will switch them to 12/12... I would like some feedback regarding if I am ready to flower or not... do I need to get my plants any bigger before I flower? Here is a link to my grow journal(this...

Also any feedback is greatly appreciated! Remember I am new this is my first grow and I welcome any constructive criticism or encouragement... Encouragement goes along way to making a new grower feel like they are doing the right thing!

So my buddy and I are getting ready for flowering.. before today the door to the closet wasn't sealed and there was a lot of light coming in and out. Today we bought some light proof white curtains from wal-mart with some Velcro, you will see patches of black tape this is to hide the holes in...

Dude, this is GREAT info!! I say we start a boycott and even a website to boycott these companies.... make sure to tell all of your friends!