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GR's Spring 18 5 plant, Two 315W CMH, Barneys Farm LSD, 4 X 4

Discussion in 'Drain-To-Waste Hydro' started by gr865, Feb 11, 2018.


    projectinfo Well-Known Member

    Nice, my resevoir I don't circulate it or aerate and no problems man. Just fill it back up after 4days. Easy Peasey

    Canna told me that coco is aerated enough.

    When you water , they drain the perfect amount and it sucks in new air.

    I don't ph anymore, it's alwase perfect.

    Res Temps are in range... Probably 20-23 c
    No slime , just some salt resedue from the water going down.
    ttystikk and gr865 like this.

    gr865 Well-Known Member

    I do tend to agree on the coco/O2 ratios, but in my career as an Agronomist with many yrs of working with water, I have seen the difference that high Desolved O2 makes in plants. I did some grad work in greenhouses and one the the projects I worked on was DO. We determined that in every species of plants that were in the study were visually and structurally (roots, stems, branches and leaves), where by a high % better in high DO water than than plants watered with the same water only not aerated.
    So although I would not use air stones again, passive is my choice. The more O
    2 in the root zone the better.

    As far as the pH issue, since I began mixing my solution and giving it at least 12 hours recirculation prior to pH that it remains fairly stable over the two to three days before refilling the rez. I do check it daily and will make adjustments though it is really not necessary as my fluctuation over the 3 day period runs no more 0.13, or from 5.8 to 5.93 over that period. I can live with that as it is good within the nute range spectrum.

    Since I switched from Boost to Green Tree, I don't get any slime but do get a dark residue build up in the tank which is just, I think it is humates from the Green Tree which is not a problem at all.


    projectinfo Well-Known Member

    Yeah I could setup a simple pump and manifold on a cycle timer.

    I believe ya pal lol.

    One of these days ;)
    gr865 likes this.

    gr865 Well-Known Member

    Day 35 of 12/12

    Removed leaves that block bud sites. Spread the out a bit and rotated them in the tent.
    20180305_093502 (2).jpg 20180305_093506 (2).jpg

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    Howard Burn, ttystikk and zep_lover like this.

    gr865 Well-Known Member

    Update con't
    Day 35 12/12

    Few bud shots.
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    Howard Burn and ttystikk like this.

    gr865 Well-Known Member

    I was just looking at the grow prior to closing the tent.
    I must say, for doing nothing but LST and some defo, I am really liking what is happening in the tent.
    The canopy is impressively level and filling in very nicely.
    20180306_213646 (2).jpg 20180306_213709 (2).jpg

    The plant in the back right is the pheno #3, has been a real bitch during the original grow and now she is worse. Cal/Mag hog, low heat pressure and compared to the 4 pheno #1's is spindly and slight. But a very good medicine!
    20180306_213731 (2).jpg

    I am excited for where we are at this point, 3 to 4 plus weeks to go and they are doing nothing but getting fatter. Really liking the nute program, the drip system is starting to work better as the roots continue to mass and the plants are drinking very well. I do believe that I need to increase the Cal/Magic/Epsom in future grows during veg and the first few weeks of flower.
    I just started adding KoolBloom Dry for 2 +/- weeks. Starting with the lower rate, when rez is refilled I will go 3/4 rate till completion. I refill the rez every two days so I will watch the ladies and adjust the KoolBloom if necessary. This ladies parents responded well to KoolBloom, both liquid and dry, so looking forward to this harvest.

    Howard Burn, ttystikk and projectinfo like this.

    gr865 Well-Known Member

    Day 38 12/12

    Wanted to give a little update on changes made to the 4 x 4 today.

    I did this a couple of grows ago, using both LED and a single 315W CMH. This grow I just added the
    CLW SS400 LED between the two 315W.
    I moved the 315's to the sides of the tent and tilted them about 30% and placed the SS400 in the middle. I will be rotating the plants on a daily or every two day basis. Did this setup with the Super Citrus Haze and WW grow in 16/17 only used just one 315W.

    Here is the setup now, light height is for both 315's at average 18 with the tilt, and the LED is at 20 inches.
    20180308_085928 (2).jpg 20180308_085729.jpg 20180308_085803.jpg

    I will run this for the final 3.5 to 4 weeks and will be turning the two UV lamps that are part of the SS400 setup in a week. Have to make some structural changes in the tent to get the LED to hang properly over the plants, but not a major issue.

    Howard Burn, ttystikk and OneHitDone like this.

    zep_lover Well-Known Member

    looking great!no larf !
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    gr865 Well-Known Member

    Here it is day 42 of 12/12

    Sort of cruise control. The little bit of burn I got is playing out, more damage than I originally thought, but it will be okay.

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    Howard Burn, zep_lover and ttystikk like this.

    ttystikk Well-Known Member

    Very nice!
    gr865 likes this.

    gr865 Well-Known Member

    Just ordered me a new timer, going to give it a shot.
    Autopilot Dual Outlet 7-Day Grounded Digital Programmable Timer, 1725W, 15A, 1 Second On/Off , Made by Hydrofarm. around $14. Worth a shot.

    Been wanting to try multi short watering times. Currently the I am using 5 one minute times, 9:00 &10 PM, 12:15 , 3:15, and 6:15 AM. Each minute is around 1/2 to 3/4 gallon, so appox 2.5 to 3.5 gallon per night with around 1 gallon runoff. Total 5 minutes.
    Would like to do about the same amt only in a different pattern. Do 8 cycles, so 1.5 hrs between cycles 9, 10:30, 12,,,, etc. First cycle would be 1.5 minutes, they have been fairly dry after 12 hr night cycle, and then 30 seconds for the next 6 cycles and the last cycle do a 1.5 minutes, to get a good wetting prior to night cycle w/some runoff. They will have 1.5 hrs after final cycle to take in solution so they should be too wet during the night. I am thinking I will get better use of the solution as one minute is too much per cycle, and yet be able to set the final time to sort of mini flush at the end of the cycles. Total 6 min.


    gr865 Well-Known Member


    gr865 Well-Known Member

    Here we are at day 49, week 7 of flower.
    Going another 7 days then begin flush and harvest some time around week 9 +/-.
    They are not looking all that spiffy with the leaf burn, but they are drinking everything I have been giving them with 4 cycles during the 12 hr light period, and are plenty dry by the time lights come on at 9 PM. They are plumping up nicely with very few red hairs showing so I am sure I can go at least a week or so.
    20180319_090042 (2).jpg 20180319_090047 (2).jpg 20180319_090052 (2).jpg 20180319_090127 (2).jpg 20180319_090135 (2) - Copy.jpg 20180319_090141 (2).jpg

    This is the #5 Pheno Monster Crop. Today I attached a 24 x 24 inch screen, not for SCrog but to just tie the branches down. I will be transplanting soon from this 3 gallon to a ????? gallon Smart Pot (10 to 25 gallon), so needed to make it where it will be easy to remove the screen. The roots have already starting growing out the sides of the SP's. It will probably be in the 10 to 15 gallon range as I am not sure my tent will handle it if I go with a 25 gallon, an would have to veg longer.
    20180319_161017 (2).jpg 20180319_161149 (3).jpg

    Guess I should start a journal for this one plant.

    Howard Burn likes this.

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