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calibrate your tds meter. that seems low unless your using reverse osmosis water.you need a buffer solution for that. Yes i do have a TDS buffer solution the 2000 ppm buffer and my pH & TDS meter are well calibrated. And yes my tap water tds is low 0060 rarely 0070 ppm. Cannabis requires a...

I think the cal-mag pills is working coz the stems are getting greener everyday now. And also i think i know the main problems now. 1st i only feed my plants once a week every sunday with half strength nut and water them tuesdays and thursdays. 2nd my tap water is to soft 0060 ppm or 1 EC. 3rd...

Thanks for the reply Dr. Who Yes i have epsom salt. And yes i wash my cocos now. before i just soak it and killed alot of clones. I found out that after the first wash the ppm of the water that i use to rinse it is 1200 ppm! 2nd wash 0750 ppm 3rd wash 0270 ppm 4th wash 0120 ppm after this i...

Hi everyone need help here in manila. Can't get cal-mag or cal-mag plus here but i can buy this cal- mag pills dirt cheap here is the link of that pill http://www.jamiesonvitamins.com/node/19 My tap water is neutral around 7.20 to 7.44 pH and soft about 0060 to 0070 ppm, 0.10 EC Im growing on...