GroWell Hydroponics & Plant LightingGroWell Hydroponics & Plant Lighting

  • Expert Advice
  • Safe & Secure Online Shopping
  • Huge Stocks
  • Open 7 Days A Week

Nitric Acid pH Down

SKU# G98

Growers in very hard water areas may need to use a lot of pH Down, but doing so can cause nutrient lock-out. Nitric Acid provides an alternative solution to reducing pH whilst also adding Nitrogen (which can be used by your plants) to your solution as a by product. Call our Technical Team for advice on 0845 345 5176.

IMPORTANT NOTE: We cannot send/supply Nitric Acid pH Down to any UK offshore destination including Isle of Wight, Isle of Man, Scilly Isles, Scottish Islands (Western Isles, Orkney, Shetland, etc) Northern Ireland, Republic of Ireland and Channel Isles. This is due to the International Maritime Dangerous Goods (IMDG) code.

Print page
Email to a friend

Buy this product

Code Price Qty
1221 Nitric Acid - 1 Litre

Availability: In stock

Reviews & Ratings (1)

1 of 1 people recommended this product.

Canna pH Down (nitric). Excellent product!
Written by Gary |

21 May 2011

Despite the prevalence of "chemophobia" these days (the irrational fear of anything "chemical based" (well EVERYTHING, all matter on Earth, is made up of CHEMICALS- even water is a chemical!), this is not one of those "evil", nasty chemicals that are "out there to get you"!.
It can be safely handled with a pair of rubber or vinyl gloves. Just use Common Sense, respect the chemical and follow the simple, easy-to-follow instructions! It is an acid and is corrosive, and like all acids, it has the potential to irritate or burn your skin if you lack Common Sense and are unable to use it in a competent manner (all acids, even household vinegar, is corrosive), but if you get it on your skin, it will not "immediately burn through all of your flesh within microseconds"- this is a fallacy and an over-dramatisation promoted by people who have next to no understanding of chemistry or the nature of chemicals.
If you accidentally get it on your skin, make sure that you wash it off IMMEDIATELY (don't delay) with plenty of cold running tap water for about 5 minutes and no damage will be done. Just use COMMON SENSE, and this chemical, like any other, can be used in a very safe, problem-free manner.
Acids react with metals, so do not store it in a metal container or allow it to come into contact with metals. In fact, all chemicals MUST be stored in their original containers. Chemicals can be used very safely and effectively if they are respected, if instructions are followed , and you use common sense. If you lack common sense and are unable to follow simple instructions, you should not handle any chemical.
This chemical has worked wonders for me- I live in a very hard water area, which means that the pH of the water is quite high (alkaline), which can precipitate certain essential phytonutients, such as magnesium, boron, calcium, and copper, from solution, rendering them inaccessible to your plants (the nutrients are no longer in soluble form and become non-bioavailable). This pH-lowering chemical effectively combats this problem by lowering the pH of your tapwater, enabling these essential trace metals to remain in solution. As well as being an effective pH-lowering chemical for hardwater areas, this is an excellent source of nitrogen (in the form of nitrate) for your plants- my capsicums look like they've been fed on steroids! Lush, green growth and HUGE fruits- a bumper crop of peppers!
PS: ensure that you use a DIGITAL pH meter so that you can accurately measure the pH of your nutrient media and are able to adjust the pH accordingly. Bear in mind that certain species of plants prefer a specific pH for optimum growth- some like slightly alkaline conditions; others like slightly acid conditions.

Was this review helpful to you?
Yes | No
9 of 10 people found this review helpful.

Questions and Answers (1)

My leaves are turning yellow as my pH is to high. i am growing in soil , will pH down work with soil and can i pull my plants back.
We would not recommend using pH down in soil, as it will kill any beneficial bacteria present in the soil. Yellowing leaves are often a sign of underfeeding, we would advise you increase your feed strength & use Superthrive, which should correct the yellowing.

Written by AJ | 16 Nov 2012

You may also be interested in the following...