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I use aquarium heaters during the colder months to keep the solution temp in the high 60s. Some have built in thermostats, otherwise just hook them to a digital temp controller. Just plop them down in the res and be careful not to break the glass coated ones. MAke a protective PVC pipe cover if...

Suck it out with a wet/dry shopvac.. ;)

Not those specific rods.. I've watched a ton of videos about them though, so I must be a pro, lol. I was saving my pennies for a spool gun for my IronMan 230 MIG welder, but then they just up and went out of stock everywhere since they changed to the upgraded Ironman 240 model. Now they have...

My standard threaded PC water cooling fittings fit right in the end of the 5/8 aluminum stair railing picket channels. Barely much wiggle room or gaps to fill. The fittings are just nickel plated brass, so should be compatible when brazing it directly to the aluminum with alumaweld rods and a...

For the thinner LED strips, they also have 1/2 x 1/2" aluminum baluster railing kits without the screw holes. Could easily stuff a 3/8 nipple fitting in each end and weld it in with the brazing rods. Thats what I'm using to make the frame on my new LED fixture I'm workin on. Got almost a full...

I think those aluminum balusters ^ are pre drilled with a set of screw holes through on both ends, but could be filled back in with cheap alumaweld brazing rods, and capped off on the ends. Or tap some of the existing holes out a little bigger to add the fittings for the tubing to attach. You...

https://www.amazon.com/Mayhems-Hades-and-Inhibitor-Plus/dp/B08DQ5LBPY?th=1

As far as being environmentally advantageous.. Keeping the LEDs and other components (including the drivers, they do make water block\plates just for that purpose, btw!) cool should keep them from degrading, and ending up in a landfill sooner than later. Heat is the primary killer of...

That's usually only a problem when you take much bigger AL clones, and cut them away before it has enough roots to sustain, or if you didn't use enough medium for it to fill out in to start with. Sometimes the bigger ones need a little help if you remove them too early. Smaller regular sized...

Cool everything with water.. now we're talking! :wink:

Condensation shouldn't be an issue, unless you put the radiator outside in freezing conditions.

Some kinda tesla valve?

I thought about that, when you showed a fan on each side. If you had an extra timer, you could make them alternate, with a short break in between. I'm sure you have pretty good circulation now as is though, but that could be cool!

You can pump air into the bags, to keep them inflated. Provide all the o2 the roots need. The air pumps usually have their own little filter too, to keep the nasties out.. Can't say I've ever seen one crawling up an active airline..The positive pressure should keep them out from the gaps where...

https://www.amazon.com/20X20X1-Furnace-Lifetime-Washable-HVC-8-12020/dp/B0CLFD3JYG/ I might pull the trigger and get one of these washable K&N merv13 furnace filters to try out for my BFFUs. They're spendy, but would be nice if they really do last for years.

Flashback to the time I smoked them out with peppermint extract, vegetable glycerin, propylene glycol, and high milligram free base nicotine..

6' x 10' welded Dog kennel fence panels + 6000w Metal Halides in large central cool tube.

Some kind of mini heat pads to wrap around the ALs could probably work, as long as they can withstand a bit of moisture. They have battery powered heated gloves, and wrist warmers, etc. Basically, you could just pull the power pack and heatedwire out of them, and then wrap that around the AL...

66 Is kinda low..