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Long story short. Saw some “green stuff” on root cubes. Decided to pour some undiluted 17.5 peroxide on them. Bad idea. Destroyed roots, extreme leaf burn and yellowing. Waited hoping they would bounce back since the roots in rdwc water seemed healthy and intact. After a week or two I...

Hi, Does anyone have any experience with UV clarifiers? I know that UV "sucks out" some nutrients from feed water. How much should I add back? Should I run the UV clarifier 24 hours a day or less? Thanks!

Hi, I'm looking for advice on water chillers. I'm in a weird spot where the volume of water in my system is around 275 liters but the flow rate of my water pump is 5800 liters per hour. Cheaper chillers that are specified for lower volumes around 200-400 liters of water have a min/max...

Hi Does anyone have any experience with clarifiers/sterilizers? How many hours per day should I run the UV without the risk of leeching nutrients out from the water? Trying to figure out the timer setting for the clarifier. The UV bulb is 11W. Usable volume of rdwc system is 275L of water and...

Is it safe to assume that this little weird one won’t grow anymore? it doesn’t seem to have a site to grow a new shoot from. Just one weird 2 finger leaf. Growth has been stagnant.

Hi, So I got myself a bottle of hydroguard because I noticed brown slime/algae in my hydro buckets. I know hydroguard works well against root rot, pythium etc but does it work against algae? Does it break down algae? Does it fix an existing minor algae problem or strictly after sterilizing the...

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...

Hi, My trim got moldy a bit. What can be done in order to save the material for making bubble hash?

With the unexpected coming of high summer temperatures my buds were over dried. Put a total of 16 grams boveda 62% paks inside one of the over dried bud jar. After 12 hours the RH inside the jar is 54%. Did the curing process come to a full stop?

Hi, Planning ahead for the next grow and thinking of upgrading to LED COBs. Which manufacturers are good? Google didn't seem to give a definitive answer.

Hi, I'm gonna install heat extraction asap but have a question regarding very soft buds due to heat stress. Do the buds dense up after getting temps down or are they damaged beyond saving? Or should I just add CO2? Will that fix and dense up buds? It's not just the fox tail parts that are...

Does anyone have experience with this? Is vaping weed near pet parrots harmful to them? I can’t keep one away every time I take out my vaporizer.

How can I change my started topic title? My current grow journal title is obsolete and misleading. Would like to change it.

Is it okay to constantly burp jars through out the day as needed? Say 10-20 times. Until the RH stabilizes? Is curing sped up this way? My room RH is low so I decided to put the buds in jars after 4 days of drying. The initial RH in jars was 70%+. Now it's 65-68%, keeping jars that are over 64%...

Seeing clear, milky and amber trichomes. Top buds have almost no white pistils while lower buds have more white pistils.

Hey, how much should I skin The plant? Young colas have established.

Or 60 000 max?

The Canna custom schedule @ http://www.canna-uk.com/growguide says once? during Generative phase 2. At the same time I've heard Neil from growpotcheaply youtube say three times. Once at the beginning of flowering, once mid flowering and once at the end. Any general guidelines for PK 13\14. I...

Hi, I'm probably short on some physics lessons here. I've got a DIY Drip ring with 20 rings. Some flow better than others. Using a 1000 L\h submersible pump attached to a 12mm hose attached to a 12mm to 9mm fitting attached to a 9mm hose attached to 8mm Y fitting attached to one 9mm hose on...

I don’t even know where to start.