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  1. M

    Recommendation: Cheap PPFD meter?

    Look's like PPFD Meter app is available also for iPhone. Does any one have tried it? https://www.ppfd.app
  2. M

    Clawing and yellowing seedlings

    I agree but using them in small pots helps a lot while transferring.
  3. M

    Clawing and yellowing seedlings

    All the pots having clay pebbles layer at the bottom at least 1 inch. But I am always draining the cups couple hours after watering. Thanks for the advice
  4. M

    Clawing and yellowing seedlings

    Yes as in my post at last cycle I flush with nutritional water to put them back. But I don't think those blocks have cal mag in them in the first place
  5. M

    Clawing and yellowing seedlings

    Today my seedlings looks much better. I guess the issue was not increasing the feeding while boosting the lights... They are gaining their green colour back.
  6. M

    Clawing and yellowing seedlings

    I didn't get what you mean by frankensoil Yes, I also use coco bricks. I rinse them couple times and finally boiled water to kill if there are any eggs or so. Then I flush pots couple time with PHed nutritional water.
  7. M

    Clawing and yellowing seedlings

    Yes, I am using PH strips. My plain tap water is 8 PH. Adding silicate in very small quantity like 0.2g per liter drops it to 6 to 6.5 PH This also same for Dry Part, when its added I see PH stabilized around 6. Actually this is one of the reasons I like TA dry stuff, PH stops being a problem...
  8. M

    Clawing and yellowing seedlings

    This is the first time I am growing in COGr which is having coco barks a you say. As structure its feeling like mixing mapito with coco. But I did grows with fine coco and perlite... Back then I was using organic stuff and had a lot of thrips. Eventually I decided to move away from organics...
  9. M

    Clawing and yellowing seedlings

    Yes I have, I am using Samsung LM301B boards topped up %10 with 660nm Actually things were going good around 400 PPFD until I have watched There Dr. Bruce Bugbee says, you can shoot strong light to seedlings. When I ramp up to 700 PPFD. They either didn't liked the brighter light or its...
  10. M

    Clawing and yellowing seedlings

    @Phytoplankton @bk78 I am using a custom mix as medium, those barks are like sponges and comes with COGr %20 fine coco %50 Canna COGr https://www.canna-uk.com/cogr_boards %20 Perlite %10 sphagnum moss Nutrition: Terra Aquatica DryPart Grow (aka GH MaxiGrow) Terra Aquatica Silicate Terra...
  11. M

    Clawing and yellowing seedlings

    What do you think the problem is with my seedlings? They are in coco, EC is around 900 and PH 6.0
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