I’m pretty sure you’ve seen this
If your plants are showing no signs of I’ll health then I’m thinking your PH meter “could” be off…
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HAhahahahahha I no I’m not the best for sympathy tbf but it’s mainly bruised and she’s Scotish she’s made of stronger stuff than that I did say I’ll get my friend to sort the ph but she was having non of it she’s a tough cookie bro
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Good to here 
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Yep iv book marked that and always have a good look but the only signs tbf is curling leaves as with the heat but there deffo not taking much nutrients 800in 600out would you think feeding them just water for a week then back to nutrition water feed after a week ?
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Its a tricky one mate. So many variables that are unknown on my end
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I think @GreenCoat has the right idea make sure your ph meter is working properly. If the PPms are less coming out they are eating
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You can see PH drop in flower due to organic material breaking down in the media. Especially small pot sizes with respect to the canopy size.
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They are taking some 200ppm there taking as it’s 800 run off 600 so there is a 200 difference
I was thinking the same mate my pot size are storage tubs 30L with 20L of terra pro with 5L coco would you try to raise the ph in feed or just carry on with the feed I have and hope for the best as there looking mint
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Just cheat to the high side of your PH range and call it good. You might periodically check to see if the drop in PH continues. A top dressing of dolomite lime will buffer the soil to some extent too.
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Definitely not the soil tester mate. The yellow one should work at least for now but I bought a better quality one as PH is so important
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I have and use their PH meter. Good quality equipment.
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That’s way out of my price range at the mo for my ppm I use a blue lab truncation and I’m definitely trying the split stem with ice idea look mint
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Sweet it will do till the end of my fro then I’ll invest 
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Thank you for your advice I’ll keep them going and re adjust my pH I think its my pH pen so iv ordered a new one
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@Wildwest this is my first grow 1 blue cheese auto and lemon haze auto
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They are looking lovely 
you have defo been given some great advice here, im currently struggling with one of my girls ph and ppms, she in the 3,000 range and almost near to harvest 
i think a flush is in order 
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