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Seedlings showing signs of what I believe must be nute burn. - propogated via the paper towel method with no issues, all germinated. - transplanted into rockwool cubes. I'll never use rockwool for seeds again. Very hard to get the curly roots in them, and they hold too much water, not easy to...

Maybe I am overthinking it. Admittedly I've never done a hempy bucket. I believe hempy is a type of shallow water culter (SWC), meaning roots in a shallow amount of water, like 2 inches of water. I like the idea of SWC because perhaps it can have some of the benefits of a DWC, like explosive...

What do you mean "overwater to collect to waste...", I am talking about only watering once a day. What particular system are you referring to by a DIY Auto Watering that uses float valves? Thanks.

Not sure if I'm following you, or there was a typo somewhere, but I will be using the 4000k 90cri for veg only. I'm assuming that would be ok?

I'm sure this has been done before. My idea is to have a Hempy type system that drains to waste the standing water at the bottom of the bucket, and refills via top feed once per day. I've never tried a Hempy before, but one benefit claimed by this system is that whenever you water from the top...

Thanks. The 5700k 90cri are hard to get, in fact any of the EB3 90cri are hard to get. I have some of the 4000k 90s because future electronics sent me them by mistake. I was going to return them and get the 4000k 80s but I might just use them. Rocket, the vestas sound good, but it feels a...

I definitely don't want too much stretch. I am having a problem with stretch right now, but I'm using CMH lights which don't have much blue at all. The 4k cri 90 have a very high blue range as well as the red, so would that keep them from stretching too much? I am vegging for about 6 weeks, so...

I'm building a 4x4 LED Strip lighting for veg and trying to decide if I should do BE Gen 3 CRI 90 or 80. Does the wider spectrum help in anyway with veg growth?

At the risk of asking what will probably be a ridiculous question, can you cut a 4 ft strip in half? I picked up a Bridgelux Slim Gen3 a while back to test with, and now I want to make use of it for my clones, and want to make it into 2 2 footers. Is this possible?

Most dual hose portables do not exhaust much air from the inside to outside, but some do and you need to talk to the company to be sure. I had a 14k Whynter dual hose and the company tech support clearly told me that their product still sucks out inside air through the exhaust hose.

Thanks.

Well, I guess I need to talk about the temperature as well, or really the VPD. I can't say there is an obvious issue at this point, but I want to prevent an issue and not have to react after I have one. Everything I've read says that too dry and too hot, my temps are around 78F, causes the...

I want to do a top drip on 12 buckets. I want to find something better than those rain bird type emitters because they have poor flow distribution (only drips on one little area of the pot), and they have uneven flow when connecting more than one or two pots. My understanding is that if you...

I live in an area where the summers are hot, 100f+, and very dry. Currently my grow room is showing 20% humidity, with lights off. It's a little better at night as the humidity rises but with the AC running it lowers the humidity from what it is outside, so it is still in the 30s. Wondering...

Interesting. Can you explain how that is.

I'm thinking about doing a DTW. I've been doing recirculating ebb and flow and finding I often struggle with nute lockout for some reason. Problem is I live in an area where drought is a problem and don't want to waste the water. I was thinking I could catch the waste water in a barrel, but...

I have a 10x10 room with 4 Gavita DE 1000w HPS. I live in an area were it get pretty hot in the summer, many 100+ days, and nights can stay relatively warm. I currently have a 14k portable single hose AC, and it does the job but just barely, and on warmer nights it can't quite keep up. I'm...

I'm doing flood and drain in buckets with rockwool. I started using Jack's 321 because I heard good things about it. Everything was going great until about 5 weeks into flower. My PPM after mixing a fresh rez is about 1350. After a feeding the rez would shoot up to around 1700. I'm wondering if...

Thanks. It sounds like it might be a little bit more involved of a project than I can dive into at this point. :)

Just looked at the 90 CRI graph in the data sheet. 4k actually looks like it has a decent amount of red.