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    Flush problem

    Hi first time in hydro grow has gone great I was overdoing the PPM in my RDWC up to 1200 until I got nutrient lockout I reduced the PPM for a bit then started flush I have been flushing with pure RO for 5 days now the buds are ready for harvest but the flush/leach hasnt worked the leaves are...
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    guess my yield

    I would like to play a little game to give my 8 babies the love they deserve for surviving my 1st hydro run Who can guess my yield? Currently flushing answer will be revealed in about 3-4 weeks Now the details Strain - iced grapefruit Tent - budbox pro xxl hl 1.5mx3mx2.2m System - green man...
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    UK smokers, what happened to skunk?

    I think this first appeared in the 80s but I Only started smoking 13 years ago I remember all very cheap £120 an oz, £20 3.5g or £10 1.5g bud called english (basically not very well grown, dried or cured which would just have the slightest weed plant smell to it) Then skunk! Then boom...
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    sudden PPM increases

    Crops going pretty well (photos attached) Just started week 6 of 12 12 Big plants (short but bushy scrog) in green man combi system Due to size of plants I Have been able to comfortably have PPM at 1200 for the whole of flower During flower cycle PPM has stayed around 1200 with PH maybe rising...
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    hailea air pump creating vibration for downstairs neighbours

    Hey guys! downstairs neighbour is cool but obviously i don't want to disrupt its not fair I think the main problem is I have laminate flooring I was using bubble wrap underneither the tank (hard tank's pumps create a vibration which vibrates the whole tank as its made out of plastic), this i...
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    can you start off seedlings in 12/12? how long?

    I have 2 maybe 3 weeks left until my mother plant finishes flower next set of seeds have been delivered considering i've got 1 seed of each strain to make clones again which takes a while I wouldn't mind a head start I have clones at the start of flower in a seperate tent in that room so i won't...
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    really confused about PPM

    Since switching to RO filtered water i am quite confused the dutch pro chart says 250-350ml of A + B per 100l 0.1ml of cal mag per L 0.4ml of silicia per L this in my RO water is 500ppm EC 1.05 i'm with very long vegged plants just on day1 12 12 first bloom feed i was just following the...
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    Is this cyanobacteria?

    I think this started from 1. Me not running the system 24/7 letting the water sit still for too long 2. Using organic PH down 3. Non RO water I have cleaned a lot of slime out of the res tank and brain controller I guess it has been building up a while (PH has been swinging up to 7.8 overnight...
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    Which LED should i order?

    *trump voice* china No really I have a 1.5 x 3 m tent I want my blurples gone...
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    Which light should i buy?

    My grow space is 1.5 x 3m I have 4 big pots per 1.5m and scrogging Originally I have been looking at this 600W x 2 + shipping about £950...
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    My 1st ever hydroponic grow

    First off I want to thank you all, I've grown on and off but started about 10 years ago now and every problem I fell into I fell out of quickly because of people on this forum. Coco had become second nature to me ph perfects chelated chemicals had it so I didnt even have to lower the PH...
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    Fitting reverse osmosis drain problem

    The pipe under my sink is too small to fit the waste clamp My plants are not enjoying the hard water atm I'm having big problems...
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    Whats happening to my babies :(

    1st time using hydro.. gutted, wish I didnt invest and stayed with coco Temps are fine Ppm 650ish.. The leaves are either burning up or curling up Hard water (i cant fit my RO filter the U bend under my sink is too small for the waste tubes clamp)
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    Did i buy the wrong RO filter? (Water2buy)

    https://www.amazon.co.uk/Filter-Reverse-Osmosis-RO600-treatment/dp/B007ZD8TOY Trying to work this thing out is driving me mental I'm worried this is for taps only? I want it to pull from a jerrycan through the RO system then into my resevoir tank, it said (with pump) but uhh it's an exit pump...
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    Wide ring dripper. Small rootit cubes?

    I have grown a lot before but always coco i have hydroton and a dripper & F&D combi system i'm going to use the dripper system alone without the F&D function due to respecting downstairs neighbours mother plant is healthy, strong and bushy. few more tops and i'm ready to do my first set of...
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    Hacking the extortionate brands for a silent EC

    Previously unavailable in the UK https://www.justfans.co.uk/prio-160-160mm-inline-mixvent-fan-p-654.html?gclid=Cj0KCQjw-uH6BRDQARIsAI3I-UfmT10IcfEjPVHK0CzwRpc3ADZaeUxD02_Wc7ao0_T4QFFj4uxYMg0aAqP7EALw_wcB This Is this...
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    spider mites at the end of flower?

    Knew there was some in that tent but was too late in flower to use any type of spray Now has web's over the top of a few of the buds do i just wipe off and harvest? wipe off leave to grow more?
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    What size tent for the green man system?

    managed to get one fully working only used once for pennies it's a 9 pot? i guess a 10 pot system with a pot missing currently i have a 1.2 x 2.4 doing really well and a 1.2 x 1.2 doing mehhh in comparison i feel that it's too much work for me a 1.2 x 2.4 is fine for the future but these...
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    Upgrading to an OP setup (OPINIONS PLEASE)

    so currently using amazon equipment, noisey oscilation and extraction fans has always done me justice and lasted a good amount of time Firstly i would like to upgrade my lighting i found a grower who had been robbbed and manged to get his 8 pot green man system only used once easy to clean and...
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    What would you do? Mars hydro 2 1600w LED problem

    Okay so last yield I only pulled 1kg from a 1.2 x 1.2 and a 2.4 x 1.2 The lights were second hand they use over 600w each (actual draw) and do amazing in veg I had 3 in the 2.4 and 1 in the 1.2 I found out this LED has 243 pieces activated by the veg switch but only 90 pieces on bloom, the...
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