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Old 07-21-2018, 09:21 PM #1
bobert
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Freezing nutrient solution

Hey guys and gals!

I'm running a 5 gal dwc bucket connected to another 5 gal auxiliary res.

I need to cool down the water a bit. I know I can use frozen water bottles but it would be easier to use ice cubes.

Has anyone premixed their nutrients and made ice cubes out of it? I'm using GH nutrients.

It sounds like a weird idea, but if it's possible, you can use the ice to adjust your res for pH/ppm over time while it melts.

Let me know your thoughts and thanks for reading!
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Old 07-21-2018, 11:14 PM #2
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(If you live in Northern climates you would know why we toss our ferts at the end of the year. Ferts do not like being frozen. Granules are OK but all liquids get tossed season to season. That is why folks use water bottles = an undiluted reservoir
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Old 07-22-2018, 12:57 AM #3
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That makes sense. Guess I'll have to stick with water bottles.

I appreciate your reply
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Old 07-22-2018, 04:54 AM #4
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I'd give this a shot. As long as you can freeze and unthaw the diluted mix without nutrient lockout happening, I can see this working. I know undiluted nutrients definitely don't like being frozen, as Switcher56 pointed out.
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Old 07-22-2018, 09:04 PM #5
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Thanks for your reply!

I apologize for any confusion, I should have elaborated in my first post. I would premix the Lucas Formula diluted in a gallon and then make ice cubes from that.

Not using only undiluted nutrients to freeze.

It would help manage pH/ppm swings over time with pre-adjusted cubes. As long as it does not melt immediately.

Over the next couple days I'll freeze a couple cubes, and drop 'em in a jar with water to see if cloudiness or anything else negative happens. I'll post back my findings.
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Old 07-23-2018, 01:27 AM #6
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Use a small deepfreeze as a reservoir, easy to keep temps exactly where you want, plug the power for the deep freeze into a temp controller like a Ranco etc111000.
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Old 07-23-2018, 05:43 AM #7
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The plants are under a scrog screen so I can't really move it or change how the reservoir is set up. I'll post some pics.

That's a pretty good idea though for sure!
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Old 07-23-2018, 05:49 AM #8
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It's definitely a budget grow lol



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Old 07-23-2018, 04:12 PM #9
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Looks really nice Good job!
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Old 07-23-2018, 06:17 PM #10
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Thank you!! I appreciate the compliment
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