We Hydroponics

...If you want to boost the productivity of your crops, chemistry is your best friend.

And one common household chemical that can make a world of difference in your hydroponic system is hydrogen peroxide...

https://www.greenandvibrant.com/hydrogen-peroxide-hydroponics

Check the pH and EC/TDS in your system. Best choices for hydroponics

ECO209 - Continuous pH monitor

http://www.adwainstruments.com/continuous-monitors/88-ph-monitor/35-eco-209

AD11 - pH/Temp pocket tester

http://www.adwainstruments.com/pocket-testers/103-waterproof-pocket-testers/professional-waterproof-ph-temp-pocket-testers/82-ad11

AD32 - EC/TDS/Temp pocket tester

http://www.adwainstruments.com/pocket-testers/99-waterproof-pocket-testers/professional-waterproof-ec-tds-temp-pocket-testers-high-range/85-ad32