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Citric acid can be used to lower pH but as you’ve found out it’s not stable. Phosphoric acid (H3PO4) is a more useful acid found in most pH down products as it also becomes plant food as it breaks down.
backyard-boogie, paddy-o-toker and plantparenthood -
Carbon in the air in the form of CO2 when mixed with water, creates carbonic acid. It’s a natural weak acid that helps dissolve limestone for example, releasing minerals. Using an air pump/stone in a high CO2 grow room environment will pump carbon in to your reservoir.
tweetop and plantparenthood -
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Lemon Cherry Pie bred by Raw, selected and masterfully grown by @jmystro a lot of you may not know this, but mystro grows ridiculously great buds
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That looks 🔥
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