What should the water temp be?

[Ironmike61]

I can't find anything about what the water temp should be for my mortgage lifter, DWC (I guess that's what you would call it)?? I also read somewhere that the water temp should be 5 degrees warmer than the air temp, but I don't know how to manage that. I have a heater inside the water and my air temp runs from 70-83 degrees most of the time.

 

[lordjin]

Water temp in hydro applications should be no higher than 75f. 65f-70f is good.

 

[suTraGrow]

68 degrees is ideal. Most dissolved oxygen in the water.

 

[Ironmike61]

Great, thanks for the information. Unfortunately I wasn't sure and had a heater in my res, bringing the temp to around 80 deg. All is well now, with overnight success.

 

[bigv1976]

If you cant get your temps down add some peroxide to the res. That will help oxygenate the res and keep your plants healthy.

 

[johny1212]

68 degrees is ideal. Most dissolved oxygen in the water.

And keeps the slime away!

 

[bigv1976]

And keeps the slime away!

Actually the slime is algae and is caused by light penetrating the res not from high temps.