Accurately preparing large quantities of concentrated hydroponic nutrients
When preparing concentrated solutions for hydroponics it is important to have a reproducible process that always generates the exact same results. If this is not done, you’ll obtain different nutrient…
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How to prepare pH 4 and 7 buffers from scratch without using a pH meter
I wrote a post in the past about how you could prepare pH buffers in order to calibrate your pH meter if you happen to already have a calibrated pH…
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