Hydro problem

inleague

inleague

Active Member
This is my first hydro attempt.I got slow growth and crispy leaves.Im using ro water 5.7.Im only giving 800pm.using sensi grow a b.,calmag,rhino skin,nirvana,sensizym,voodo juice....I change once a week.20180121_145022.jpg 20180121_145022.jpg 400 watt mh 70°....the humidity is really low.around 30%.also its about 3 weeks old
 
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GBAUTO

GBAUTO

Well-Known Member
Low humidity seems to create greater transpiration through the leaves. That pic looks like a Ca deficiency-letting pH bump up to 6.3-6.5 makes the nutrient a bit more available to the plant. Rest of your setup looks fine. what are you growing in?
 
zypheruk

zypheruk

Well-Known Member
Give then what they need, which is A&B grow and nothing else for a week and see where they are then. Leave out the rest of the crap. Check your roots condition also.
 
inleague

inleague

Active Member
GBAUTO said:
Low humidity seems to create greater transpiration through the leaves. That pic looks like a Ca deficiency-letting pH bump up to 6.3-6.5 makes the nutrient a bit more available to the plant. Rest of your setup looks fine. what are you growing in?
Click to expand...
Ro water 5 gallon bucket with airstone
 

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NrthrnMichigan

NrthrnMichigan

Well-Known Member
I would skip the additives for a week... Just do your 2 part nutrients with calmag..add calmag to water 1st and ph to 6.1 . What is your water temp? Slow growth could be due to low ppm's. In my 3rd week I'm usually running at about 1000 - 1200 ppm's
 
inleague

inleague

Active Member
Ok i changed the nutes.I added 20ml calmag and sensi A B for a total of 980ppm for a 5 gallon bucket ph 6.1.I also calibrated my ph meter just to be sure.I dont know if this makes a big difference but i do leave the lights on 24 hrs.ill get a water temp tomarrow but the canopy temp is 72ish.
 
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