Judd offset is dead?

Okay so someone smarter than me please tell me if I have a handle on Judd offset.

X-300's and some early OLED's needed Judd offset to look right but then later dual LCD and better OLED's came along and fixed the issue necessitating Judd offset?

With the more recent screens, if you include the judd offset in the calibration, that's just to match to a x-300 or some hero monitor that has Judd offset?

If clients are viewing on iPads or laptops, then it's better to not have judd offset?

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u/broomosh — 4 days ago
▲ 3 r/pools

Kinda bummed with my SWG right now

I got a 25k Hayward SWG for a 15k pool

It's been 100 degrees in socal the past couple weeks and I am shocked the SWG isn't keeping up with demand at 75% and running 14 hours a day.

It was killing it during 80 degree days where I only had to do 40% output but once summer really hit, things fell off.

This is normal for the cell size to pool size, right?

The last time I checked the cell diagnostic menu it read

Water temp: 87°F

Cell voltage: 25.9V

Cell amperage: 5.27A

Output: 62P (prior to me going 75%)

Instant salt: -3600

AL-0

Board: r1.59

Cell type: T-9

I try to keep cya at 70, I might go higher to 90 to see what happens. I put a solar cover over it too to help this week.

Again, is it crazy to see a 25k cell struggling in a 100 degree summer for a 15k pool?

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u/broomosh — 1 month ago

Everybody short cycles right?

I have a Goodman 4 ton GSX140481KE. Honeywell T5 thermostat

1500 sqft house in Los Angeles. We recently remodeled and insulated walls, attic and floor. New windows. Insulated duct work.

Our AC is great and I'm happy with everything.

I am worried about short cycling at night during the summer. I sat and timed it last night and I believe the compressor was cycling on roughly every 10 minutes, with runs around 4 minutes each. Blower kept running 1-2 minutes after the compressor shut off.

That's asking for 74 indoors with 80 degrees outside temp at 9pm.

I dropped it down to 68 as a test and the compressor ran 15 mins and blower 3 mins after the compressor kicked off. New filter this month.

Is there anything I can do to reduce the short cycles or is that just how it is with coldish air outside but a heat soaked attic? I assume that's the issue

I'm just trying to make my HVAC run as long as I can.

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u/broomosh — 2 months ago

Which one of you messed up this beauty shot?

Opening shot and you can't even make sure all the frames of face refinement are rendered???

This ad keeps coming my way via Reddit.

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u/broomosh — 3 months ago
▲ 1 r/pools

SWG and SC 1000. Did I make a boo boo?

Does anyone here have positive experiences with sc-1000 and their SWG?

I was looking into how long it takes for my free chlorine levels to normalize after dropping to zero with the purge and now I found all this information about people saying it messed up their SWG.

I turned mine off but it was on at 70% for a couple hours during the purge dose. I'll pop it open tomorrow to check the fins.

Edit - I called Orenda, they recommended having the SWG off during the dosing. Both encourage and then for 4 hours for the weekly re-dose.

I'm gonna crack the cell open tomorrow and pray everything is fine. It was only on for a few hours during the purge dose

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u/broomosh — 3 months ago
▲ 1 r/pools

SC1000 and no free chlorine

So I got an SWG and I live in an area with hard water. I thought I'd be a cool guy and start dosing sc 1000 to protect my heater and SWG.

I did the purge dose to the skimmer with 1.5 quart for a 15k pool. FC went to zero as expected and I've dosed twice today to get it back up but I'm still at 0. I've added a gallon of 12.5 liquid chlorine.

I guess it's something to do with the chlorine attacking the sc 1000?

In a day or two my pool will respond to chlorine doses again??

I have my pump running 24/7 at high rpm now. I have the SWG turned down to lime 30%

FC .5

CC 0

Ph 7.4

TA 90

CYA 70

CH 475

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u/broomosh — 3 months ago
▲ 1 r/pools

What's my salt level? New SWG and I want to do it right

We're counting peaks? I'm thinking 6.8 but am I going to high you think?

It sat for 10 mins in an inch of water

u/broomosh — 3 months ago

What's MPI's deal with eligibility periods?

So I'm 60 hours short of the 400. A show I work on delayed its start date.

The show is back on and I'm earning hours again thank God!

Now why does MPI act like I'm a leper when I'm short hours but still obviously working? What does it benefit from this?

Why can't I just give them some money to make up the difference during the qualifying period?

Is it to try and reduce the amount of people on MPI because it's having a hard time funding itself?

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u/broomosh — 4 months ago

Get rid of the green from my new copper??

So this looked great on day 1 but now the copper at my main branch is turned all green. I believe this is from a spray my plumber was using.

Is there a solvent or something I can use to clean this up with?

u/broomosh — 4 months ago

Stream deck on an iPad?? Just gets Stream deck?

Do any of you Stream deck folks use it where the iPad is your controller or is getting a physical stream deck a must?

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u/broomosh — 4 months ago

Did my plumber screw me on the install of my Navian?

How fucked up is fucked up?

​

We're missing an expansion tank and sediment trap? Something about calcium too?

​

​

u/broomosh — 4 months ago
▲ 1 r/pools

Heater install with FUTURE SWG preparation

I'm going to get a gas heater installed on my pool that is currently just a VSP pump and a DE filter. Plaster pool.

I want to go to SWG eventually but my wallet can handle the heater at the moment.

Any tips or things I should tell my installer when plumbing in the heater to make sure we have accounted for an eventual SWG?

Can I pipe in a placeholder SWG that passes through?

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u/broomosh — 4 months ago

Flanders XMP-C's at NAB?

Did anyone get a chance to look at any of the new slimmed down XMP monitors at NAB?

I have the chance to color HDR from home and will still do reviews at the post house with a BVM x 310.

I wanted to see if the 10 grand is worth it or if I should go with a TV instead and pocket the difference. I have graded an HDR show on the A95 before and I didn't really enjoy it.

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u/broomosh — 5 months ago

Strapping under house question. Cushioned straps?

To get rid of pesky water hammer issues that haven't been fixed by installing water hammers I plan on going under the house and doing some additional strapping.

Is there a strap everyone recommends for copper pipes in a raised foundation house? I was going to get a roll of copper strapping but I heard about cushioned versions and wanted to hear what everyone's thoughts were.

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u/broomosh — 5 months ago

Installed arrestor and I still get hammer

I installed this arrestor on a 1" supply line and I still get a water hammer when my sprinkler valve kicks on. The arrestor is about 2ft from the valve just out of frame in the picture.

I don't have a PRV and I measured the PSI at the valve at 70psi.

Would a PRV between the city supply line and my house fix this hammering for sure?

u/broomosh — 5 months ago

Is it illegal if I cut a copper pipe with a hack saw?

I have a 3/4 I need to cut and add an hammer arrestor to but there is a 1/2 line right next to it. I can't get a cutting tool to cut around it

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u/broomosh — 5 months ago

I have 3/4 copper feeding two sprinkler valves. I'm getting a bad water hammer in the house from one of them.

My usual plumbers seem too busy to take the job so I started myself. My plan was to prep the work area for a plumber to make it cost less and easier to bid.

When removing a tree root I cut the 3/4 line feeding the sprinkler valves. Luckily that branch has a shut off separating it from the house.

My question is, to reduce the water hammer where should I put my arrestor? Is where I cut the line an adequate spot to put the arrestor or does it need to be closer to the valve? The valve is in the upper left of the picture.

If closer to the valve, is it okay if I add a sleeve by making space with a hack saw? There is a 1/2 line really close to the cut feeding the sprinklers and I can't get a proper cutting tool in there.

u/broomosh — 5 months ago

So I have MPI right now but my next show that SHOULD start this week. I'm at 300 hours for my current eligibility period. I'm hoping my next show starts in time and I don't have a lapse but I wanted to know what people think I should do if a lapse happens.

Is there anyone at IATSE or MPI I should contact about getting a grace period? 40 hour weeks will start till August.

If I have to have a month lapse, what do people do that gap? COBRA?

Edit - Thanks everyone! I called MPI and it looks like I might as well just roll the dice with the lapse for a month and if I need to make a claim then I can pay out of pocket and then sign up for Cobra and it will cover retroactively.

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u/broomosh — 5 months ago
▲ 1 r/pools

Okay my algorithm is feeding me the idea of putting 100+ feet of black hose on my deck and sending pool water through it as a cheap way to heat the pool.

Has anyone here successfully done it?

I'm in so cal with no heater but I do have a solar cover.

I was thinking of getting a 1/2 HP sump pump so I don't have to risk doing damage to my pump or mess with my flow

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u/broomosh — 6 months ago