Quote:
Originally Posted by xroach
one problem with commercial hydro these days though is no-one flushes properly .. so it'll be the residual hormones etc from fertilizers that'll kill ya.. grow your own
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There are no hormones in hydro fertilizers.
At least there never were back in the day. Nitrates, potassium, phosphorus, all in soluble salts.
You're at greater risk from the pesticides some unsrupulous growers use to control mites.