Reddit reviews General Hydroponics pH Up & pH Down - 8 Oz Each

Never use baking soda on soil or to correct the pH! The sodium will interfere with potassium uptake and could kill your plant.

It's best to use pH up or pH down. pH down may be nitric acid, pH up is usually potassium hydroxide. These are both mineral acids/bases.

I use 5.5-8.0 pH strips since they are convenient, can measure a single drop, low cost, requires no calibration, and requires no special storage.

https://www.amazon.com/Hydrion-Chart-Dispenser-5-5-8-0-Range/dp/B00QLBVP74

I measure the nutrient solution before it is added and the water runoff from the soil.

You want a TDS/EC meter for dosage if not just following the label.

https://en.wikipedia.org/wiki/Electrical_conductivity_meter

https://en.wikipedia.org/wiki/TDS_meter

https://hannainst.com/products/testers/ec-tds.html

> If you are growing in soil, I assume that you use a good soil that has aged and balanced itself.

What do you mean by "aged and balanced"?

Veg nutrients/formulas tend to have more nitrogen, flowering tends to have more phosphorus. This can depend on the plant to include how high the fertilizer levels are.

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The container adjust could work, but you'll need to make sure that it is all secure so it doesn't tip or fall over or anything.

1. You need to buy ph up and ph down. This can be found in the hydroponics section of any good plant store. Something like this
   
   
   
2. It depends on whether you're in veggie or flower mode, but usually anywhere from 3-4 days. Maybe 5 days max, so yea you'll need someone to water them for sure if its more than 5 days.

Okay, I have made the mistake you are about to make, so I'm going to say right now : DO not make the mistake I made of not taking care of your plants.


In college I attempted to grow 7 plants at once. All of them were female, and all of them were coming along nicely. At the time, I was dirt poor, so my roommate was paying for any expenses of the grow op.

You run a really high chance of your plants dying if you do not take proper care. That means you have to keep soil pH in check, make sure it's getting enough light, and potentially adding nutrients to the water if something goes wrong (Like a nitrogen deficiency).

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When it comes down to it, growing your own plant is like having a child. You have a connection with it, you foster it to go from seed to beautiful plant. There's nothing more disappointing than to watch your baby die before it grows old. So take what I've said to heart and make sure you're taking care of it.

Remember that grow materials are a 1-time purchase for the most part. Sure it sucks to get a pH reader, but it will save you many headaches in the future. Better to get a pH reader and some pH Up, pH down, than to throw away a couple plants from $30 seeds.


Preventive maintenance is huge here. It's much easier to keep the plant going good from the beginning, than to have it hurt and try to fix it after the fact.

Good luck!

pH Up and Down, but I rarely use the pH Down

Don't waste money on a pen. Get General Hydroponics ph test kit. The liquid kind are much more accurate.

Do what he said but buy a digital ph meter and test the ph of your water. Some people have naturally high ph water, some have naturally low ph. You need to test to find out then figure out what you need to adjust ph.

I would also recommend "ph up" or "ph down" for hydroponic applications. http://www.amazon.com/General-Hydroponics-pH-Up-Down/dp/B005LWS5Q8 Vinegar is fine but not great for plants.

I would buy ph up and ph down as well as some hydrion test strips (the ones that run from like 5.5 to 8 not the larger range). Use them to adjust the water after nutes are added, or if not adding nutes just adjust the water by itself (adding nutes to water affects ph so you want to adjust after, not before, adding them).

Your target range for soil should be 6.6.

6.4 or 6.8 is acceptable as well but no higher or lower if possible.