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I am Rider Rajpurohit Welcome to our youtube channel .

About this video.
PH meter : https://amzn.to/2IZ7bHS
TDS meter : https://amzn.to/2IZ7bHS
NPK 20:20:20 : https://amzn.to/2GTRe1V
Magnesium sulphate : https://amzn.to/2GXoHsn
Calcium Nitrate : https://amzn.to/2JdQxn6
cocopet+compost :https://amzn.to/2Je0bWM

Thank you so much ……..
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Hydroponic system How to check water PH and TDS level .

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