Precautions in using pH and TDS meter, पीएच मीटर के उपयोग में ज़रूरी सावधानियां। 

How to calibrate pH meter
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• pH meter का कैलिब्रेशन...
हाइड्रोपोनिक्स की आधुनिक तकनीक को आसान तरीके से सीखने के लिए आप online/offline training session join कर सकते हैं।
To join our Online Training Session
contact us to given link:-
wa.me/message/...
🎉 5 day training program.🎉
Doubts/queries solving.
Do's and don'ts explanation.
Commercial part of Hydroponics.
👉we start your training/queries solving, just after registration, like nutrition details, NFT/ DFT making details, material required, where to purchase, suggestions according to your requirements.
👉We organise online training every Sunday.
👉Next online date for training - Upcoming Sunday.
Time - 11AM to 3.00PM (1 hour break between session)
👉Training fee- 1000/- only
Training language: Hindi English mix.
Mode - Online (Google meet)
For more details- WhatsApp us
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Our address - JS hydroponics, near landmark hotel, Ratahara, Rewa, Madhya Pradesh.
All the best.🙏
For beginners kit and other materials contact us at:-wa.me/message/...
Please Whatsapp @9300756573 to purchase these materials
Materials available at our store:-
TDS meter (3 digit)
pH meter (2 digits and auto-calibration)
Weighing machine (measures 0.1g to 500g)
Net cup (black) - 3 inch (80mm), 2*4 inch
Water pump (18W for 6 feet height)
Water pump (40W for 8.5 feet height)
Air pump (with air pipe - 2m and air stone)
Thermometer (for checking Nutrients water temperature)
Digital Timer (ON/OFF switch) (16 ON and 16 OFF programme)
Yellow/Blue traps (for controlling insects; size - 20*15cm)
Water soluble Neem oil - 200ml
J-shape hook (for hanging vine plants)
S-shape (or H-shape) hook (for hanging cherry tomato, cucumber, indeterminate tomato)
Plant support clip (for clipping plants with twine/rope)
Twine (thread/rope for hanging plants)
Fertilizers - NPK 19:19:19, NPK 13:0:45, NPK 0:52:34, NPK 0:0:50, Calcium nitrate, Epsom salt, Micronutrient, Fe-edta
pH up and pH down (for maintaining pH of nutrient solution)
Link to purchase other materials related to Hydroponics:-
HDPE White&Black grow bag (size-24*24*40cm) - amzn.to/3xv3v6B
Drip Irrigation Kit (for 10 grow bags) - amzn.to/3sYZGTM
Fe-EDTA and Micronutrient combo - amzn.to/3u0cBG8
Cocopeat brick (5kg) - amzn.to/3xHf89U (Recommended)
Cocopeat (1kg) - amzn.to/3aGjd4
Organic Bio Fungicide Trichoderma (1kg) - amzn.to/3noR5Zj
Fungicide - amzn.to/3eAbqH5
Clay balls (2kg) - amzn.to/3d2CZJ7
Hygrometer (for checking surrounding temperature and humidity) - amzn.to/3h5zQdO