Hydroponics (DWC) Newbie

[atulbaliga]

Want to provide an update on corrections and learning from the comments. I calibrated the PH to 6.0

[GpsFrontier]

Hello atulbaliga,
When you say calibrated pH, are you referring to calibrating a pH meter? Or adjusting the nutrient solution pH? I asked because I'm not sure what the liquid in the picture is. I assumed you were using a ph meter because because of the values you were giving, but the picture looks like the color you would get using pH drops at 6.0. So now I'm wondering if the picture is on the calibration fluid used to calibrate a pH meter, or of the pH drops test.


Also have you gotten the water temp down?

[atulbaliga]

Sorry for the confusion. I adjusted the nutrient solution to get the PH to 6.0. As a backup I also use the tetra PH test kit to verify and this pic is the output of the test after adjustment. pH meter needs frequent calibration as its a Chinese make and you know how reliable they are 😜

Water temp is still at 28 deg C and humidity has risen up to 78% RH. Planning to put a fan around to circulate the air and also cool the water.

[GpsFrontier]

Ya, I don't trust the meters, the drops are much more reliable and cost much less money, so I don't even bother with the pH meters. I would put some ice in that water to drop the water temp down another 10 degrees to about 72 F (22 C).

[atulbaliga]

I did that today morning. Put in a few ice cubes in the water to bring the temp to 21 deg C.

[atulbaliga]

PH at 6 but water temperature at 26 deg C. More ice to cool the water 😉

[atulbaliga]

Update on the growth. PH at 6, using ice to cool the water. No nutrient added. Covered with stroyfoam to avoid evaporation. The pots completely covered are empty.