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  1. Greenthumbgrower1986

    Strange colour

    Hi all, have 2 fast buds growing at moment on a 20/4 light cycle, both in bio bizz light mix and around day 14 from seed. I've noticed that the plant on left is starting to lighten between leaf veins and the other one is perfect colour. Temps around 25°c lights on and 55%rh with a rotating fan...
  2. Greenthumbgrower1986

    Nitrogen tox?

    55% rh , 24.5°c on a 20/4 schedule. 200w led 30" above canopy
  3. Greenthumbgrower1986

    Nitrogen tox?

    Here's some more pics, reason I said nitrogen is because the right plant is curling tips
  4. Greenthumbgrower1986

    Nitrogen tox?

    Next run I'll try coco
  5. Greenthumbgrower1986

    Nitrogen tox?

    Only issue that could arise though is my tap water is very high in calcium already, if I add calmag it would definitely be too much
  6. Greenthumbgrower1986

    Nitrogen tox?

    Thanks for helping, I'll give it a try
  7. Greenthumbgrower1986

    Nitrogen tox?

    Hi all. Usually always have issues with my grows with over feeding, currently running 2 auto cheese from fast buds in bio biz light mix. With added perlite. This run I was planning on not feeding untill around week 3 or 4 as I generally get alot of burn so thought Ill give only water and PhD...
  8. Greenthumbgrower1986

    RO WATER

    I I'm still doing some serious learning right now. I know it won't be accurate but would it not indicate that the soil pH has risen though(sorry if dumb question) as if the water is 7 and then rises when soil is added?
  9. Greenthumbgrower1986

    RO WATER

    Yes a blue lab
  10. Greenthumbgrower1986

    RO WATER

    Done a slurry test. Well worked with what I had. I PhD some dechlorinated water to 7. Mixed equal parts soil and water. After sitting for 30 mins I PhD tested it and was 7.8
  11. Greenthumbgrower1986

    RO WATER

    Is it worth flushing at this stage of pH is high
  12. Greenthumbgrower1986

    RO WATER

    I'm convinced it's pH problem, but it makes no sense as I always pH my water, let it sit with an air stone in for 30 mins then re test pH and I always get it to 6.4-6.5
  13. Greenthumbgrower1986

    RO WATER

    Doubt it's the feed as I've tried various different nutes, from Bacs, shogun, biobizz etc. The only thing all the grows have in common is the water
  14. Greenthumbgrower1986

    RO WATER

    I'll have to try next run
  15. Greenthumbgrower1986

    RO WATER

    No I don't
  16. Greenthumbgrower1986

    RO WATER

    638 ppfd at canopy
  17. Greenthumbgrower1986

    RO WATER

    Been there, same results
  18. Greenthumbgrower1986

    RO WATER

    Hey, I'm running one of these phlzon 200w LEDs( 190w draw). It's around 20" above canopy at 75% in a 1m x1m x1.8m tent
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