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Old 02-15-2018, 01:16 AM #981
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Ever since a year ago the jacks has this foam shit that floats to the top, it's so bad I have to take a fish net and dip it out, i emailed them about it with pics but never got back to me.

I figured they're probably sourcing cheap Chinese material now. But seems to be working as normal
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Old 02-15-2018, 01:23 AM #982
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If I need my pH to go down I add pH down to the jacks stock solution like 1 cup of pH down.
The same for pH up I add to my silica stock solution.

Last edited by samiam; 02-15-2018 at 10:00 PM..
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Old 02-15-2018, 05:57 AM #983
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any issues using different brand of cal/nit with jacks?
I use a generic greenhouse cal nit form Terris.. $26 for 55 pounds
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Old 02-15-2018, 02:14 PM #984
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I use calnit from hydro gardens it's pretty cheap less than $1.00 per pound doesn't have the dye just mixes in clear no problems as well.
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Old 02-15-2018, 03:16 PM #985
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Originally Posted by samiam View Post
If I need my pH to go up I add pH down to the jacks stock solution like 1 cup of pH down.
The same for pH up I add to my silica stock solution.
thats a great idea! wonder if anyone else is doin that?

I use yaralive from a local shop, 40lbs for 25 bucks aint bad

I mixed up 3 stock gallons the other day and left the others in a closet upstairs so they stay fresh, using the same arizona jugs from 3 years ago, still smell like tea lol

my buddy uses those giant 10gl gatorade coolers and mixes it up using a cement mixer

I still like the gallons, easy to pour and shake, but maybe one day if I grow more Ill switch to that method.
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Old 02-15-2018, 04:08 PM #986
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Originally Posted by samiam View Post
If I need my pH to go up I add pH down to the jacks stock solution like 1 cup of pH down.
The same for pH up I add to my silica stock solution.
Is that safe to do, precipitation wise? If so, it'd save me a bunch of expense and complexity. I'm working on getting Jack's going as a stock solution w/ Dosatron injectors, being able to mix ph down into the Jacks would mean one less doser, and one less stock solution to maintain.
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Old 02-15-2018, 08:15 PM #987
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Still trying to figure out how adding ph down will make your ph go up...I'm sure I'm missing something here.
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Old 02-15-2018, 10:08 PM #988
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Is that safe to do, precipitation wise? If so, it'd save me a bunch of expense and complexity. I'm working on getting Jack's going as a stock solution w/ Dosatron injectors, being able to mix ph down into the Jacks would mean one less doser, and one less stock solution to maintain.
I've been doing it that way for years with no problems, here's how I set up my dosers so each doser can be adjusted by ppm.
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Old 02-18-2018, 05:17 PM #989
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Update: So switched back to AN yesterday as my plants were looking stupid yellow again. Hate to say it but I'm officially done with Jacks. Take care gang.
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Old 02-18-2018, 09:25 PM #990
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Update: So switched back to AN yesterday as my plants were looking stupid yellow again. Hate to say it but I'm officially done with Jacks. Take care gang.
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