Soil Improvers
Soil Improvers
At The Greenhouse Effect we stock a wide range of Soil Improvers for the home and garden.
If you need any help please call us on 01908 585 283, our highly knowledgeable staff will be happy to assist you.
We have everything you need to get growing under one roof!
Perlite
Original price was: £8.99 – £24.99.£8.09 – £22.49Current price is: £8.09 – £22.49.
Select options
This product has multiple variants. The options may be chosen on the product page
Canna Aqua Clay Pebbles 45 Litre
Original price was: £15.99.£14.39Current price is: £14.39.
Vermiculite
Original price was: £9.99 – £35.99.£8.99 – £32.39Current price is: £8.99 – £32.39.
Select options
This product has multiple variants. The options may be chosen on the product page
Vitalink Clay Pebbles 10 Litre
Original price was: £4.99.£4.49Current price is: £4.49.
Great White by Plant Success
Original price was: £12.99 – £59.99.£11.69 – £53.99Current price is: £11.69 – £53.99.
Select options
This product has multiple variants. The options may be chosen on the product page
Plagron Mega Worm
Original price was: £12.99 – £13.99.£11.69 – £12.59Current price is: £11.69 – £12.59.
Select options
This product has multiple variants. The options may be chosen on the product page
Bio Bizz Worm Humus 40 Litre
Original price was: £19.99.£17.99Current price is: £17.99.
Biosys – Instant Microbe Tea
Original price was: £11.99 – £49.99.£10.79 – £44.99Current price is: £10.79 – £44.99.
Select options
This product has multiple variants. The options may be chosen on the product page
Xtreme Gardening Mykos
Original price was: £24.99 – £39.99.£22.49 – £35.99Current price is: £22.49 – £35.99.
Select options
This product has multiple variants. The options may be chosen on the product page
Ecothrive Charge
Original price was: £5.99 – £32.99.£5.39 – £29.69Current price is: £5.39 – £29.69.
Select options
This product has multiple variants. The options may be chosen on the product page
Psycho Myco Powder – Mighty Mycorrhizae
Original price was: £12.99 – £179.99.£11.69 – £161.99Current price is: £11.69 – £161.99.
Select options
This product has multiple variants. The options may be chosen on the product page
Ecothrive & Indoor Organics Life-Cycle
Original price was: £4.99 – £29.99.£4.49 – £26.99Current price is: £4.49 – £26.99.
Select options
This product has multiple variants. The options may be chosen on the product page
Guano Kalong Powder 5kg
Original price was: £32.99.£29.69Current price is: £29.69.
Plant Magic Old Timer Granules
Original price was: £19.99 – £29.99.£17.99 – £26.99Current price is: £17.99 – £26.99.
Select options
This product has multiple variants. The options may be chosen on the product page
Biobizz Microbes 150g
Original price was: £64.99.£58.49Current price is: £58.49.
Xtreme Gardening Azos 6 oz – 170g
Original price was: £34.99.£31.49Current price is: £31.49.
Plagron Bat Guano
Original price was: £54.99.£49.49Current price is: £49.49.
Select options
This product has multiple variants. The options may be chosen on the product page
Bio Bizz Pre Mix Dry Fertiliser
Original price was: £13.99 – £44.99.£12.59 – £40.49Current price is: £12.59 – £40.49.
Select options
This product has multiple variants. The options may be chosen on the product page
Gold Label Special Mix 50 Litre
Original price was: £16.99.£15.29Current price is: £15.29.
Guanokalong Palm Tree Ash 5 Litre
Original price was: £32.99.£29.69Current price is: £29.69.
DynoMyco Spark 3 in 1 Powder
Original price was: £24.99 – £1,199.99.£22.49 – £1,079.99Current price is: £22.49 – £1,079.99.
Select options
This product has multiple variants. The options may be chosen on the product page
Nature2 Humitine
Original price was: £15.99 – £43.99.£14.39 – £39.59Current price is: £14.39 – £39.59.
Select options
This product has multiple variants. The options may be chosen on the product page
BioTabs PK Booster Compost Tea 2500ml
Original price was: £54.99.£49.49Current price is: £49.49.
Ecothrive Soil Food
Original price was: £14.99 – £49.99.£13.49 – £44.99Current price is: £13.49 – £44.99.
Select options
This product has multiple variants. The options may be chosen on the product page
Aptus Micromix Soil – Soil Conditioner
Original price was: £21.99.£19.79Current price is: £19.79.
Select options
This product has multiple variants. The options may be chosen on the product page
DynoMyco Premium Mycorrhizal Inoculant Granules
Original price was: £15.99 – £799.99.£14.39 – £719.99Current price is: £14.39 – £719.99.
Select options
This product has multiple variants. The options may be chosen on the product page
Aptus Micromix Drip – Soil Conditioner
Original price was: £21.99.£19.79Current price is: £19.79.
Select options
This product has multiple variants. The options may be chosen on the product page
GK-Organics Seaweed Powder
Original price was: £21.99.£19.79Current price is: £19.79.
GHEDirect LTD, 
