GHE
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from £12.95GHE Diamond Nectar
GH Diamond Nectar Dr Cal Herrmann, formerly a senior chemist at NASA, created GHE Diamond Nectar for General Hydroponics. Dr Herrmann is a partner ...
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from £5.95GHE Ripen
GHE Ripen Dr Cal Herrmann, formerly a senior chemist at NASA, created GHE Ripen General Hydroponics. Dr Herrmann is a partner at GH and still condu...
View full detailsfrom £5.95Sale