i think low ph locked out some nutes

greenthumb951 · #1 (**permalink**) 10-08-2009, 06:13 AM

hey guys hows it going the edges and tips of my leaf are kinda wrinkling or turning kinda brownish yellow im guessin it from nute burn but how do i stop it? i was running 1/4 strength nutes for the first time around and it kinda had it a lil bit than i switched to full strength and it got a lil worse but i did find out my ph pen wasnt calabrated right, it was reading 7.0 7.1 and it was actually like 6.0 and i kept adjusting to get to the right ph and when i tested it with the drops it went straight to red! i was using my ph pen like tha for a week or more till i found out it was off so im guessing the low ph locked out maybe phosurous or magnesisum idk though... but will flushing help fix this? im going to start flowering in about 8 days so maybe the flush with benifit the plant for transistion to flower nutes...

o ya im running a bubble bucket system with GH nutes 250w mh 18/6

heres the pic.. its not the worse leaf either

LowGrow · #2 (**permalink**) 10-08-2009, 12:33 PM

Most often PH is the leading cause of trouble in a bubbler.
That and being too hot..

I would go back to 1/4 strength for a few days now that you have the PH sorted.

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#1 (permalink) 10-08-2009, 06:13 AM
greenthumb951 RegisteredSmoker Join Date: Jul 2009 Location: southern cali Posts: 413	i think low ph locked out some nutes hey guys hows it going the edges and tips of my leaf are kinda wrinkling or turning kinda brownish yellow im guessin it from nute burn but how do i stop it? i was running 1/4 strength nutes for the first time around and it kinda had it a lil bit than i switched to full strength and it got a lil worse but i did find out my ph pen wasnt calabrated right, it was reading 7.0 7.1 and it was actually like 6.0 and i kept adjusting to get to the right ph and when i tested it with the drops it went straight to red! i was using my ph pen like tha for a week or more till i found out it was off so im guessing the low ph locked out maybe phosurous or magnesisum idk though... but will flushing help fix this? im going to start flowering in about 8 days so maybe the flush with benifit the plant for transistion to flower nutes... o ya im running a bubble bucket system with GH nutes 250w mh 18/6 heres the pic.. its not the worse leaf either

#2 (permalink) 10-08-2009, 12:33 PM
LowGrow Registered User Join Date: Sep 2009 Posts: 62	Re: i think low ph locked out some nutes Most often PH is the leading cause of trouble in a bubbler. That and being too hot.. I would go back to 1/4 strength for a few days now that you have the PH sorted. __________________ One for the Gipper - WW-Ice-Northern Lights-B52 (DWC - 400W MH - 1000W HPS)

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