Ph down

[Bob999]

In the last few days I used half a bottle 250 ml of ph down in hydroponic to bring the ph down as it kept going up should I change res or is it fine

 

[bk78]

In the last few days I used half a bottle 250 ml of ph down in hydroponic to bring the ph down as it kept going up should I change res or is it fine
View attachment 5154358

You need to find a stronger concentration, I use 30ml of advanced nutrients ph down per 50 gallon reservoir

 

[Billy the Mountain]

In the last few days I used half a bottle 250 ml of ph down in hydroponic to bring the ph down as it kept going up should I change res or is it fine
View attachment 5154358

You shouldn't be using that in a hydro res
Use phosphoric acid

 

[xtsho]

You want to get a different pH down. One that's phosphoric acid is going to work better in hydro than that BioBizz citric acid.

 

[jondamon]

In the last few days I used half a bottle 250 ml of ph down in hydroponic to bring the ph down as it kept going up should I change res or is it fine
View attachment 5154358

What is your source water? Ppm or EC and pH?

what’s your hydro reservoir statistics?

Set at what EC/PPM and pH?

What do these numbers test at after 24 hours?

If your plants are taking up the nutrients more then the water then the pH will climb.

if You feed correctly in hydro your ppm/EC and pH should remain pretty stable.

If your nutrient concentration keeps falling in your reservoir then the pH will climb. (Feed heavier)

if your nutrient concentration keeps getting higher then the pH will fall (feeding Too heavy)

 

[jondamon]

You shouldn't be using that in a hydro res
Use phosphoric acid

You want to get a different pH down. One that's phosphoric acid is going to work better in hydro than that BioBizz citric acid.

well spotted boys.

i hadn’t realised it was organic.

 

[Bob999]

Thank you guys for the help appreciate that

 

[calvin.m16]

I blame BlueLab.

 

[bk78]

I blame BlueLab.

For sure LED too eh?

 

[Bob999]

Whats wrong with blue lab what do you use ?

 

[myke]

I quit checking pH,use much less now.

 

[Bob999]

How would you know if its in suitable range

 

[calvin.m16]

Whats wrong with blue lab what do you use ?

I use General Hydroponics Drops personally but I've figured out exactly how much Potassium Silicate (PH UP) to add for my mixes so I always hit 5.8-6.0 pH, I don't have to test my PH anymore. If you're running city/well water then the quality of the water can change over time vs Reverse Osmosis or distilled water so that should be taken into consideration.

I just basically tinkered with potassium silicate (most common kind of Silica) and once I found the sweet spot around 1 oz (30ml) per/10 gallons with the brand I use I always hit 5.8-6.0 (light orange/yellow color)

pH Test Kit

The General Hydroponics pH Test Indicator can help you maintain an ideal pH level (which is between 5.5 and 6.5). This can be achieved by monitoring your pH using the super concentrated drops found…

generalhydroponics.com

I have had 3 Blue Labs pH pens in the last 2 years that have all failed with "Err" code when attempting to do the monthly calibration. I stored the pens in BlueLab KCI Storage solution and never tested plain RO or anything they advise against. The only pen of theirs that has lasted me is the pH Soil Pen which uses the BlueLab Guardian style probe.