Adjustment solutions are specially prepared for use in hydroponics. They are extremely concentrated and care should be taken when in us Ph Down is 81% phosphoric acid and Ph Up is 50% potassium hydroxide. Please pay special attention whilst handling these products as they can be hazardous if used incorrectly.

pick up only

Additional information
Weight 1.5 kg


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Shipping & Delivery

Shipping & Delivery

All our products are delivered in unmarked packaging.

Express parcel delivery service

All our products are shipped via DPD with email notifications 1 hour before delivery.  Prices are

  • Under 2KG - £3.99
  • Over 2KG - £7.99 
  • Free shipping on all orders over £250

Some postcodes within the UK, including but not limited to the Scottish Highlands and Northern Ireland will incur a delivery surcharge, for details please contact us PRIOR to placing an order.