Contact Us

Free product samples with every order!- Come and see us for the best coco and soil prices around!.....Guaranteed! Free local delivery available! You can click and collect or call and collect at our store throughout lockdown. Click here for more details on this and our free local delivery options!!!

Critical Mass Systems is open 7 days a week for your convenience and out of hours appointments are possible with prior arrangement we are situated on the outskirts of Sheffield with good links to the M1 motorway.

Feel free to contact us via email or telephone for advice and sales enquiries or drop by and have a free face to face consultation on site.

Finds us at:

Critical Mass Systems

Unit 4, Holbrook Enterprise Park

Enterprise Way

Sheffield

S20 3GL

0114 3221440

sales@criticalmasshydro.co.uk

Free next-day UK delivery on orders over £100

Click here for full delivery terms

No fuss returns

30 day money back guarantee!

Change your mind? return un-used product for store credit up to 60 days after purchase.

Free tech support and consultation

We offer free support over the phone, by email or in person at our Sheffield store. Get in touch were happy to chat!

Secure payments

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