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What did you do to your tank(s) today?

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This is an awesome design. Is that 3/4" pipe? Or, if you have a link to the exact union coupling you used, let me know! I can't find my old ones.
Ha! The idea came from you. I originally wanted to switch from the 45° fittings that come with the ARC reactor to 90° and it was you that said the flat side of a standard 3/4 union could fit in the non-standard union ring of the ARC. Of course, it's costly to buy 3/4 unions only to waste 2 thirds of it but oh well, we like to spend money here, right? So yes, the pipe and all other fittings are 3/4. The only drawback is that if you want to reconfigure the ARC another way later on, you have to cut off the fittings to get the rings back. That's why you might also notice in the photo, I still have the 90° elbows I previously made, just in case. I bought a second reactor for the next 120cm tank so had 2 sets of rings. Also, silicone 16/22 tubing does fit snugly over the 3/4 barbs. One other thing; the 3/4 union flat side did have a slight edge around the center so rather than take chances it might not seal well on the ARC stock gasket, I sanded it down perfectly flat and smooth.
 
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Love the mounting brackets! 😯 What are those, do you have a link?
The reactor is the Aqua Rocks Colorado acrylic reactor which is designed with that mount. It's a permanent part of the reactor itself. I just added the bypass.
 
I just sold some plants to a guy (big bunch of blyxa i wrecken it ended up being about a $1 a plant lol, rotala, star grass, pearl weed, ludwigia super red, swords, val and a few other bits and pieces. ) I tried and mostly succeeded at keeping him away from the plants that need co2/higher light.

This guy is planting out a custom built tank 16 ft long, 6 ft tall, and around 5 ft deep. About a 3,400 gallon tank. He had a custom light built which cost him around $8K, 16 ft long, 3 ft wide which he says has the power of a chihiros rgb light.

Never mind the other dimensions, I think a 6ft tall tank would be a little challenging!
 

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