Has anyone noticed a difference between the two?

I bought some Ph down from the hydrostore and it had hydrochloric acid as its active ingredient. It was more expensive compared to the ph down from home depot, but I think it works better. My Ph levels stayed the same and the one bottle lasted almost a month. When I ran out I got the citric acid kind from home depot and it lasted 3 days. My res got all cloudy and the ph levels would keep going up.

Does the hydrochloric acid work better and is it worth the money?

Or maybe my problem is due to some other factor and just kicked in as I ran out of ph down, making it seem like the citric acid was the problem??

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whatever you use just make sure its ph down for plants.

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Waffles.

isnt hydrochloric acid salt peter? kabooom

**edit**
nvm thats potassium nitrate

I don't know anything about hydrocloric acid, but citric acid is good for our plants, it's one of the main ingredients in Sweet. I've always used phosphoric acid in 30% solution, because the plant can use the phosphorus.

HTH

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hydrochloric acid is a good ph down. Citric acid will work...but very unstable...and you will tend to get a drift up in your ph after even a few hours sometimes depending on your water source.

I don't like to spend big bucks on ph down from the hydro companies. I use tap water...so I go through quite abit. My favorite is Sulphuric acid. I just go to the auto parts store and buy a liter of battery acid for about $5. Get a gallon of distilled water. Pour one cup of distilled water out of the jug...and pour one cup of battery acid into the jug. Carefully shake it up...and now I have a gallon of ph down for about a $1. Plants love the sulpher...as most nutes seem to omit sulpher...and plants need it.

Please use extreme caution when handling any acid...even the store bought ph down.

Drink!

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Well, I guess that would work, but ...



my hydro system doesn't use batteries.

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WTF car batteries? when i look at them they say warning dont get that shit on your hands then i see a picture of a hand being vaporized by something.

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Waffles.

Like I stated earlier...all acid needs to be handled with caution. If you got the stuff that Gh and others used to make their watered down ph up and down in the pure form...it would also be caustic. Even the store bought stuff has to be handled with care. It's caustic.

People have been using sulphuric acid in hydroponics since the beginning of the practice of growing water.

The recipe I posted of mixing it with distilled water will make it about as strong as the store bought shit. But for mega bucks cheaper in the long run.

Drink!

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yeah I went and bought some phosphoric acid and it is way better than citric acid. It takes less to change the levels and it rises much slower.

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what auto parts store sells it?

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