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Growth Technology pH Down 30%Having the correct pH level is an important part in maximising the amount of nutrient that can be uptaken by the plant. If the pH is consistently incorrect it can lead plant dificiencies and even slower growth. Generally most indoor plant require a pH between 5.5 to 6.5, but it can be more specific depending on growing medium and method. CautionThis pH down solution is 30%  phosphoric acid.  Always handle pH up and down with care. If any of these liquids come into contact with your hands or skin, wash immediately and never mix the two of them directly together.Supplier source: https://erithhorticulture.com/product/ph-down-1l-30-concentrated/

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Growth Technology pH Down is a stable solution of 81% phosphoric acid. It is used to lower the pH of your nutrient solution. It is a very concentrated product and a little goes a long way.How To Use pH DownAlways add pH adjustments after you have added all of your nutrients (unless otherwise stated) to your reservoir or watering can, this is because some nutrients and additives can raise or lower the pH.pH Down is a very concentrated liquid and only a small amount is needed to make changes to the pH of the water. As all water is different there is no set amount you need to add. However as a rough guideline we would recommend to test the pH of the water with a meter, before adding any to get a reading then we suggest to start with around 0.25-0.5ml per 10L. Test the pH again to get an indication of the effect it has had and slowly add more until you reach the desired level. pH Down is a very ‘dense’ liquid and needs to be mixed throughly into your water to avoid mis-readings.IMPORTANT – pH Down is an aggressive liquid and can cause skin burns and eye damage. Always take care when handling it and be sure to read the safety advice on the label.Supplier source: https://erithhorticulture.com/product/ph-down-5l-81-professional/

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