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pH UP - 50% KOH - 250ml pH UP - 50% KOH - 250ml
pH UP contains potassium hydroxide (KOH). This is a very caustic liquid and should be handled with extreme care. 


Price:   £4.50
pH UP - 50% KOH - 1 litre pH UP - 50% KOH - 1 litre
pH UP contains potassium hydroxide (KOH). This is a very caustic liquid and should be handled with extreme care. 


Price:   £12.00
pH UP - 50% KOH - 5 litre pH UP - 50% KOH - 5 litre
pH UP contains potassium hydroxide (KOH). This is a very caustic liquid and should be handled with extreme care. 


Price:   £40.00
pH DOWN - 81% HP3PO4 - 250ml pH DOWN - 81% HP3PO4 - 250ml
pH DOWN contains orthophosphoric acid (H3PO4). The concentration is 81%, which is very strong so handle with care. 


Price:   £4.50
pH DOWN - 81% HP3PO4 - 1 Litre pH DOWN - 81% HP3PO4 - 1 Litre
pH DOWN contains orthophosphoric acid (H3PO4). The concentration is 81%, which is very strong so handle with care. 


Price:   £12.00
pH DOWN - 81% HP3PO4 - 5 Litre pH DOWN - 81% HP3PO4 - 5 Litre
pH DOWN contains orthophosphoric acid (H3PO4). The concentration is 81%, which is very strong so handle with care. 


Price:   £40.00
Liquid Silicon - 6.1% - 250ml Liquid Silicon - 6.1% - 250ml
Silicon is a beneficial plant nutrient, found in virtually all natural soils but not - until now - in hydroponic nutrient solutions. Silicon will strengthen the plant walls producing stronger healthier plants with massive root systems and increased resistance to pests and disease. 


Price:   £4.50
Liquid Silicon - 6.1% - 1 Litre Liquid Silicon - 6.1% - 1 Litre
Silicon is a beneficial plant nutrient, found in virtually all natural soils but not - until now - in hydroponic nutrient solutions. Silicon will strengthen the plant walls producing stronger healthier plants with massive root systems and increased resistance to pests and disease. 


Price:   £12.00
Liquid Silicon - 6.1% - 5 Litre Liquid Silicon - 6.1% - 5 Litre
Silicon is a beneficial plant nutrient, found in virtually all natural soils but not - until now - in hydroponic nutrient solutions. Silicon will strengthen the plant walls producing stronger healthier plants with massive root systems and increased resistance to pests and disease. 


Price:   £40.00
Liquid Oxygen - 17.5% H2O2 - 250ml Liquid Oxygen - 17.5% H2O2 - 250ml
Liquid Oxygen contains hydrogen peroxide (H2O2) which is a highly unstable molecule. It will quickly break down in the nutrient tank releasing a free atom of oxygen. This oxygen atom is extremely reactive and will attach itself to either another atom, forming a stable oxygen molecule, or attack a nearby organic molecule, such as a virus or fungal spore. Liquid Oxygen can eliminate existing diseases and help to prevent future ones.  


Price:   £4.50
Liquid Oxygen - 17.5% H2O2 - 1 Litre Liquid Oxygen - 17.5% H2O2 - 1 Litre
Liquid Oxygen contains hydrogen peroxide (H2O2) which is a highly unstable molecule. It will quickly break down in the nutrient tank releasing a free atom of oxygen. This oxygen atom is extremely reactive and will attach itself to either another atom, forming a stable oxygen molecule, or attack a nearby organic molecule, such as a virus or fungal spore. Liquid Oxygen can eliminate existing diseases and help to prevent future ones.  


Price:   £12.00
Liquid Oxygen - 17.5% H2O2 - 5 Litre Liquid Oxygen - 17.5% H2O2 - 5 Litre
Liquid Oxygen contains hydrogen peroxide (H2O2) which is a highly unstable molecule. It will quickly break down in the nutrient tank releasing a free atom of oxygen. This oxygen atom is extremely reactive and will attach itself to either another atom, forming a stable oxygen molecule, or attack a nearby organic molecule, such as a virus or fungal spore. Liquid Oxygen can eliminate existing diseases and help to prevent future ones.  


Price:   £40.00