HELP! Grow room sour smell

[Bartholomew]

Hi,

Started my first dwc grow. First few days no problems. Today noticed a “sour” smell when entered the room. Seems to come from water I think, difficult to pinpoint.

Using Canna nutrients Aqua and additives plus hypochlorous acid HCLO as a preventative. Temps normal around 20-25C. Pumped air is about 2L/min. Grow room has no ventilation except a ventilator for now, meaning air can’t escape the room which adds to the fact that all possible odors are kept in the room.

Is the sour smell normal? I don’t really want to do a res water change. Maybe add more HCLO? No algae build up as far as I can see. Can water go bad in a couple of days?

thanks

[OzBud]

are the roots nice and white and healthy?

[Bartholomew]

No roots hanging out yet. Been 2 days since planted in buckets

[Toker1]

No ventilation can lead to mold. How are you keeping humidity in check? Also, how are you replenishing fresh co2 for the plants to breath? Ventilation is not just for heat. Stagnant air is smelly and can host pests.... lead to problems.

[Toker1]

You are welcome. Good luck in the grow.

[alltatup]

Bartholomew My DWC is not at all smelly, except for a slight "rooty" aroma. So no: DWC shouldn't smell sour or in any way bad.

I totally agree with Toker1: air circulation is always important.

[Toker1]

alltatup I notice an aroma that is different from my soil grows. Happens most when I use benificial bacteria in DWC. I have always had a very sensitive sense of smell my whole life. I use Fish Sh!t in my grows. Product already smells to begin with. Spreads further durring cultivation when bubbles are pumping through my buckets.

[Bartholomew]

Brown algae present! Found some on airstones. Should i do a full sterilisarion and cleaning of res or kill it off with hypochlorous acid?

[Bartholomew]

OzBud you must love the thrill of living dangerous, lol

[Toker1]

Got any Picts? Algae doesn’t grow in absense of light.
H2o2 is water with an extra oxygen molecule. Not sure why it would be incompatible unless they are saying it will kill their benificial bacteria.
The c in hclo is for chloride. Not the greatest for plants. In abundance it can kill them.

[Toker1]

OzBud yeah. Most people use those clear tubes for air lines. Not realizing it’s a path for the light to sneak in.