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Thread: Testing the PH of your soil.

  1. #11

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    Quote Originally Posted by joker_the_smoker View Post
    pass..

    blues ya man for that
    I'll have coco question for you soon laa😉

    Quote Originally Posted by Viz View Post
    Iron get a soil testing kit from Amazon or fleabay mate. Worth the tenner or so that they cost.
    I've got one on order but I'm like a tit in a trance here waiting lol.

    Quote Originally Posted by gardro View Post
    Let's wait for an expert but I read you take a sample of soil and fill a glass jar to top.

    Fill with deionised / RO to the top and leave for an hour. Longer the better for contact

    Filter off the soil and measure the pH of the solution



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    Gardro's coco grow mentored by joker the smoker
    Yeah I've read that way too, I've seen people test as soon as it's mixed and some that let it sit for 24 hours and others who filter the soil out.

    Quote Originally Posted by AND View Post
    You can do a quick & dirty test without spending £10, will only give rough guide but may help for your spot issue. Mix little soil up with ro, add vinegar, if you get a reaction your PH is between 7-8, mix another soil sample and add baking soda, reaction 5-6, no reaction about 7
    Yeah I seen that too. Seems every fricken grow at this point this happens. I just can't figure it out.

    Quote Originally Posted by Ben.g View Post
    Here's me testing run off
    That's you losing those numbers off ya name again pmsl

    Quote Originally Posted by TT View Post
    Show us the affected leaves iron... i cant see why you would need to test ph of soil unless your nute mixes have been fed at a very low ph even then it happily buffers to what it has been set at manufacture


    Sent from my iPhone using Tapatalk
    I'll get a pic when lights come on in half hour. Basically I want to test the PH of the soil because on this grow I've used bottled water. Not mineral, just cleaner tap water than I get out my tap. The water I use has a PH of 7.0 and an Ec of 0.4. My normal tap is 7.8 and Ec of 0.9. As I'm still getting what I think is cal issues I need to see what numbers are sticking in the dirt. 🤔

    Quote Originally Posted by gardro View Post
    I predict Ca def



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    Yup!

    Quote Originally Posted by Macky View Post
    If you suspect ph might be off mate, just give a good flush of just plain water, should balance it out a bit right?
    That's the plan but, do I flush with the bottled water I've been feeding or use water out the tap? Bottled PH=7.0 tap PH=7.8.



    Sent from ⚒Thames Iron Works⚒

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  3. #12

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    Id be inclined to say the lower one

    What pH is your soil set at? Guess 6.5? Canna terra is 6.0 I know that from last grow

    Soils cannot buffer endlessly, especially if you use lots of run off and occasional flush so best to go in close as possible



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  5. #13

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    I'm sure it's cal def I've sprayed these plants at least 4 times with cal mag and Epsom salts so it has to be the PH of my soil?

    Sent from ⚒Thames Iron Works⚒

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  7. #14

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    Last pic looks like Ca def, rust spots

    Not so much bands and stripes which is Mg

    Sure theres no pests mate?

    Lots of THC on the leaves





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  9. #15
    MrChedHead Guest

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    Doh! I remem my first grow, kings kush i was using bottled water an fucked um up, i was using canna flores an vega tho... the nutes were taking the ph down to 3.9 with bottled water set to a ph of 6.0


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  11. #16
    MrChedHead Guest

    Default Testing the PH of your soil.

    Thats calcium def mate an that is very common under led as you know, i remedied it with sprays of magnecal through veg and a few first couple of weeks in flower! Imho that is nowt to do with your soil ph.... some of them leaves look very yellow on the pics is that the case or just the camera??


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  13. #17

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    Quote Originally Posted by gardro View Post
    Last pic looks like Ca def, rust spots

    Not so much bands and stripes which is Mg

    Sure theres no pests mate?

    Lots of THC on the leaves





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    I'll have a look for pests when I get them out in a bit. The patches have appeared slowly. I thought I'd splashed the leaf with feed at first and it's slowly gotten worse. If it were pests wouldn't it be quite rapid?
    Quote Originally Posted by TT View Post
    Doh! I remem my first grow, kings kush i was using bottled water an fucked um up, i was using canna flores an vega tho... the nutes were taking the ph down to 3.9 with bottled water set to a ph of 6.0


    Sent from my iPhone using Tapatalk
    I think my feed is around 4.8PH when it goes in but, I use plain water in between feeds with 7.0PH. So confusing. Another reason why I want to know the PH lol.
    Quote Originally Posted by TT View Post
    Thats calcium def mate an that is very common under led as you know, i remedied it with sprays of magnecal through veg and a few first couple of weeks in flower! Imho that is nowt to do with your soil ph.... some of them leaves look very yellow on the pics is that the case or just the camera??


    Sent from my iPhone using Tapatalk
    I sprayed them 4 times in veg mate, and added dolomite lime to my soil 6 weeks before planting. I thought I had it nailed this time. 😞

    Sent from ⚒Thames Iron Works⚒

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  15. #18

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    Quote Originally Posted by Ironman View Post
    I'll have a look for pests when I get them out in a bit. The patches have appeared slowly. I thought I'd splashed the leaf with feed at first and it's slowly gotten worse. If it were pests wouldn't it be quite rapid?I think my feed is around 4.8PH when it goes in but, I use plain water in between feeds with 7.0PH. So confusing. Another reason why I want to know the PH lol.I sprayed them 4 times in veg mate, and added dolomite lime to my soil 6 weeks before planting. I thought I had it nailed this time. 😞

    Sent from ⚒Thames Iron Works⚒
    I don't know mate, I had some odd marks a few weeks before I noticed mine. I don't think so in your case but they same abit hap hazard so worth a look

    All my grows went off like this so gone to Coco and doubt I will look back



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  17. #19

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    Quote Originally Posted by gardro View Post
    I don't know mate, I had some odd marks a few weeks before I noticed mine. I don't think so in your case but they same abit hap hazard so worth a look

    All my grows went off like this so gone to Coco and doubt I will look back



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    Gardro's coco grow mentored by joker the smoker
    Jokers been banging on about it for years now, I might have to join the coco bongo train as he calls it lol.😉

    Sent from ⚒Thames Iron Works⚒

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  19. #20

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    Quote Originally Posted by Ironman View Post
    Jokers been banging on about it for years now, I might have to join the coco bongo train as he calls it lol.

    Sent from ⚒Thames Iron Works⚒
    Sure you man enough for the coco bro?

    I have a space in jokes class of 18 for ya mate

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