Additives
At The Greenhouse Effect we stock a large selection of additives and nutrients for hydroponic gardening.
If you need any help please call us on 01908 585 283, our highly knowledgeable staff will be happy to assist you.
Aptus Startbooster 5 Litre
Original price was: £439.99.£395.99Current price is: £395.99.
Atami Bloombastic
Original price was: £46.99 – £499.99.£42.29 – £449.99Current price is: £42.29 – £449.99.
Atami Rokzbastic
Original price was: £55.99 – £549.99.£50.39 – £494.99Current price is: £50.39 – £494.99.
Athena Blended Grow A & B
Original price was: £100.99 – £456.99.£90.89 – £411.29Current price is: £90.89 – £411.29.
Bio Green X-Blast
Original price was: £99.99 – £649.99.£89.99 – £584.99Current price is: £89.99 – £584.99.
Bio Green X-Force Silicium 250ml
Original price was: £49.99 – £724.99.£44.99 – £652.49Current price is: £44.99 – £652.49.
Dutchpro Explode
Original price was: £29.99 – £579.99.£26.99 – £521.99Current price is: £26.99 – £521.99.
Emerald Harvest Honey Chome
Original price was: £34.99 – £445.99.£31.49 – £401.39Current price is: £31.49 – £401.39.
Field Marshal Flower Bomb
Original price was: £99.99 – £450.00.£89.99 – £450.00Current price is: £89.99 – £450.00.
FloraMax Resin-XS
Original price was: £50.99 – £599.99.£45.89 – £539.99Current price is: £45.89 – £539.99.
FloraMax Root-XS Root Stimulator
Original price was: £35.99 – £459.99.£32.39 – £413.99Current price is: £32.39 – £413.99.
Future Harvest Ton O Bud
Original price was: £24.99 – £899.99.£22.49 – £809.99Current price is: £22.49 – £809.99.
House and Garden Roots Excelurator
Original price was: £69.99 – £579.99.£62.99 – £521.99Current price is: £62.99 – £521.99.
Mills Vitalize
Original price was: £27.99 – £629.99.£25.19 – £566.99Current price is: £25.19 – £566.99.
RAW Amino Acid(Tech Grade)
Original price was: £24.99 – £1,334.99.£22.49 – £1,201.49Current price is: £22.49 – £1,201.49.
RAW B-Vitamin
Original price was: £18.99 – £899.99.£17.09 – £809.99Current price is: £17.09 – £809.99.
RAW Bloom Microbes
Original price was: £16.99 – £894.99.£15.29 – £805.49Current price is: £15.29 – £805.49.
RAW Calcium Magnesium
Original price was: £13.99 – £484.99.£12.59 – £436.49Current price is: £12.59 – £436.49.
RAW Cane Molasses
Original price was: £13.99 – £484.99.£12.59 – £436.49Current price is: £12.59 – £436.49.
RAW Enzymes (Tech Grade)
Original price was: £31.99 – £1,669.99.£28.79 – £1,502.99Current price is: £28.79 – £1,502.99.
RAW Full Up
Original price was: £21.99 – £899.99.£19.79 – £809.99Current price is: £19.79 – £809.99.
RAW Grow Microbes
Original price was: £16.99 – £894.99.£15.29 – £805.49Current price is: £15.29 – £805.49.
RAW Humic Acid
Original price was: £16.99 – £847.99.£15.29 – £763.19Current price is: £15.29 – £763.19.
RAW ominA Amino Acids
Original price was: £21.99 – £899.99.£19.79 – £809.99Current price is: £19.79 – £809.99.
RAW Silica
Original price was: £16.99 – £849.99.£15.29 – £764.99Current price is: £15.29 – £764.99.
Rock Resinator
Original price was: £66.99 – £799.99.£60.29 – £719.99Current price is: £60.29 – £719.99.
Superthrive
Original price was: £12.99 – £549.99.£11.69 – £494.99Current price is: £11.69 – £494.99.
Veg + Bloom Shine
Original price was: £38.99 – £849.99.£35.09 – £764.99Current price is: £35.09 – £764.99.
Veg + Bloom Stax
Original price was: £29.99 – £670.99.£26.99 – £603.89Current price is: £26.99 – £603.89.
GHEDirect LTD, 
