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For very hard water areas
Growers in very hardwater areas may need to use a lot of pH Down. If this is the case then we suggest you use Nitric Acid (38%) as this tends to affect the composition of the nutrient less than using phosphoric acid.
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*Growell Hydroponics offers these Nitric Acid pH Down ... |
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Standard
postage
(per order):
£5.95 |
 Surcharge
on heavy items marked with:
£5.00 |
Surcharge for Scottish Islands, Northern Ireland
& Isle of Man:
£20.00 |
Surcharge for Eire:
£25.00 |
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