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Does this mean that there are some types of chillis which you shouldn't you shouldn't put with certain others under the same light, or are the differences in tolerance not so dramatic?

Hey, GYO. Cool looking setup you have there. Just wanted to mention one thing before you go to the effort of coating the inside of your greenhouse with rescue blankets. After realising that silver actually only mirrors the light, whereas white actually reflects all of it (school physics lessons...

I bought a full spectrum led grow light recently because my seedlings were getting leggy, but because it is a non dimmable cheapo, I was worried about hitting them with too much light. Watched a video yesterday where the guy said you can't actually have too much light as long as the lamp isn't...

Found a couple of my Thunder Mountain Longhorns stretched out having a rest this morning but looking otherwise undamaged, so I decided to try this myself instead of just chucking the seedlings out. Transplanted them into pretty deep plastic beakers in moist, lightly fertilised soil, then added...

That's a definite. Always measure the soil temperature, as that's what the roots are sitting in 😉. Won't know for sure until next year, but I think turning a mat off overnight for eight hours or so could make an appreciable difference to the soil temperature in my small setup, when the other one...

14°C is a bit on the cold side for my old bones in the living room nowadays too, but the room where I have my seedlings isn't heated. The soil temperature in the greenhouse where my seedlings are is around 24°C. The trays with seeds still waiting to germinate are higher up and covered, so...

Yup, that figures, Bou. Too late to do anything scientific this year unless I want to have about 100 plants too many instead of just 50 or so, but I think next year I might do a control where I plant 2 identical trays, and turn the heating mat under one of them off overnight once they've...

Just reading a book The Wife bought me, written by a couple of German chili freaks, which states that once the seedlings are a few weeks old, they should be subjected to cooler temperatures in the morning (around 14 - 20°C) which should then be increased to around 22 - 26°C in the afternoon...

I made the mistake of believing what somebody told me in an online forum for pepper growers :doh:😅. Well I'm sure happy to find that some folks on here have tried it themselves and proven that it can be done, cos I'll be giving it a go when I transplant some of the leggy ones in a couple of...

A few have started righting themselves, but most of the dodgy ones are still lying there looking pretty sad and skinny. I'm on holiday now for a week and we're off to a hotel for a few days, so whatever hasn't gotten its act together by Wednesday afternoon will be going to compost. I still have...

Sure looks like it. Is that a pepper plant?

Apologies for not being precise enough. Tomatoes grow aerial roots, sometimes referred to as adventitious roots, from the SIDE of the stem. When you want to clone a pepper plant, you'll see that the roots grow out of the end of the stem, like this one I did as an experiment last year ;).

So, been busy this morning juggling the contents of my seed trays around. The first pic isn't on the mat, second one is. It all still looks a bit adventurous under my cobbled together lighting system, but I should have a halfway decent grow light arriving from the big A while I'm at work today...

Will do, bud. I'll leave most of the leggy seedlings where they are, and transfer a couple as a control into a heated tray right beside them, so they will be getting more or less exactly the same light. Be interesting to see how it pans out. Can't say for sure, but I can imagine that leaving...

Excellent vid Marturo, cheers for that. Looks like it's a good thing I took Marc's advice and removed the mats after all. I really did have the feeling that in cooler soil, they wouldn't have quite as much energy to "reach for the skies" as the old Wild West bank robbers used to say :lol:.

Thanks again. Did just that and am already starting to have much more idea of what I need to be looking out for :thumbsup:

From everything I have read and heard, tomatoes are one of the few plants you can do this with, since they grow new roots out of the stems when you bury them. Peppers don't do this, and you run the risk of the stems rotting if you bury them.

Thanks for the suggestion PP, but I've already been fanning them since I removed the humidity dome ;).

Thanks for taking the time to explain in detail. TBH I had had a look at the graphs, but without the necessary background knowledge of how to interpret them or explanations of what the numbers on the colourful one are supposed to represent, they might as well have been a Rohrschach test for acid...

They are full spectrum lamps with 10W (40W equivalent) output, and at the moment I have the blue lamps running on full power about 2 inches above the seedlings. The reason I have them so low is that I reckoned they have nowhere near the power of a "proper" grow lamp, and I had read that having...