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RDWC Help Lack of Growth on Top?
Dbkoopstarted grow question 2 years ago
My plants in RDWC are small/stunted, droopy and not healthy looking! I’m using TPS nutes with tap water. PH 5.8. PPM was started low at ~200 when first transplanting rapid rooters into RDWC now 400. After 7 days they finally have thick, white roots poking through net, but…
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Plant. Other
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Dbkoopanswered grow question 2 years ago
Thanks for the advice! Those pictures were right after spraying them with the Canopy Boost foliar spray. Haven’t been drowning them with the spray everyday so not sure if that’s the whole issue - maybe a part of it. @roberts - I’m using Southern AG in place of Hydroguard. It’s supposed to be the same “good” bacteria. There are around 5 roots hanging in the solution of each plant with a few more coming out of the sides of the net pots. They do seem to be perking up and have praying leaves now after I increased the ppm. The WC OG looks much better -still a little light green. The S. Lemon looks better but I think it’s going to be stunted. Neither are droopy anymore. I’m thinking the TPS nutrients might just be weaker than they say and I’ve been under feeding them mixed with the leaves not being able to transpire enough?
Robertsanswered grow question 2 years ago
Stop spraying the leaves. Looks like over water. Are only the tips of your roots in the solution? Are you using something like hydrogen peroxide to keep solution free of root rot etc?
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Chow_13answered grow question 2 years ago
Could be your spraying the leaves to much hindering the plants transpiration. Your numbers look good. With the plant size you shouldn't see much change in your ppm/ec levels.
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Dbkoopanswered grow question 2 years ago
Temp: 72-77
RH: 60-70%
Water temp: ~68F
PH: ~5.8
PPM (tap water) ~100
PPM (nutes in res) ~400 currently
440 gph inline pump
4” air stone discs in each bucket + res
~1” air gap between net pot and water
Noticed ppm has been dropping and ph rising slowly so they are feeding. Roots took about 5-7 days to show themselves through Net pot. They are nice white thick roots so the root zone looks good to me and growing. I don’t know why the top halves of the plants look so bad. They’re so much smaller than the ones I have in soil. I recently increased the PPM to 400 from about 250-300. I need help figuring out why their leaves look like they’re dying almost.
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