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I think that is a reference to the RetroChlor chlorinator reversing current flow to 'clean' the plates. From a manual available here: https://www.bestpoolsupplies.com.au/product/1667/retrochlor-cw30sc-30g-h-chlorinator-generic-replacement-for-clearwater-c250-reverse-polarity-self-cleaning ...

Assuming you are talking about the vertical rods between the concrete wall and the hose, it looks to me as those rods likely have "rebar form wire" wrapped around the rod at periodic intervals down in the earth. Not surprising they are difficult to remove. Unless you are prepared to dig out the...

I have in the past used a pipewrench to remove them. Start by just twisting the stake with the pipewrench to loosen it a bit. Then after a few turns, keeping the pipewrench in position, lift up on the pipewrench as you turn.

Perhaps that display is really saying "IGN", indicating there is a problem with "ignition". See these earlier threads: https://www.troublefreepool.com/threads/mastertemp-error-code-err-ign.263968/ https://www.troublefreepool.com/threads/pentair-mastertemp-400-not-igniting.158533/

Easy-out style "Extractors" for removing broken threaded objects of that size are not cheap, but are available. McMaster-Carr has a fairly wide selection: McMaster-Carr

I agree that there is a marginal benefit in efficiency using 240 vs 120, due to lower losses due to heat in the conductors. But I also agree that if there are any 'installation costs' to effect a change, then its not likely to pay off. There are plenty of low quality 'electrical' forums out...

Here is an Amazon link: https://www.amazon.com/Oceancare-Products-Pool-Tile-Restorer/dp/B071D714MF

The surface of porcelain can be conductive under certain conditions. Consider that some electrical power distribution companies send out crews to wash porcelain insulators on distribution equipment to prevent current leakage and flashovers. See . . .

I'm a moderator on a beekeeping forum. I can tell you that "How to keep my bees away from the neighbor's pool / hot tub?" is a popular topic. :laughblue: Generally, bees prefer water sources that are warm, are consistently available, and have a distinct odor (to bees, at least). Pools...

I sus[ect that you aren't using the correct breakers. In the photo with the breakers, there is no 'rod' connecting the pair of 20a breaker 'handles'. Those are separate breakers in a single body. You need a breaker that spans both of the buss bars, and the handles should be connected so that if...

In a HD close to me, yes 2" Schedule 40 fittings and 2" DWV fittings are in the same aisle. But store layouts can vary as all HDs are not the same size store. Just to mix it up more, note that there ARE fittings that are suitable, and marked for, both pressure (NSF-PW) and non-pressure...

If you are a person that actually likes to read manufacturer product labels/directions before giving it a go, :p I find that labels on the solvent cans are not always easy to read. So, attached are a couple of PDFs that are easy to put on a bigger screen. The Oatey one is relatively generic...

Note that the video you posted in #5 is not viewable. Flagged as "This video is private"

There are heavy rubber mats that are used as "stall mats" in horse stables. I don't have horses, but I did buy one of those mats from TSC: https://www.tractorsupply.com/tsc/product/utility-rubber-mat-black-4-ft-x-3-ft-x--frac12-in I just tested, and they are dense enough that they sink in...

I didn't mean my comment to imply that. I simply meant that while I believed my comments were reasonably accurate, I don't / didn't do concrete for a living so my concrete experience is rather limited compared to someone in the concrete industry.

I'm not a concrete professional. But house foundation walls are typically built on top of poured footings in much less than 28 days waiting. Sometimes they start in 2 days. From what I can tell, typically you could expect about 75% strength in 7 days and what is considered 100% in 28 days...

If you are prepared to pour your own, embed some rebar in the concrete, observe the curing time, your pads will almost certainly be better than any 'store bought' blocks. The rebar is key. And your pads could be a bit thicker than 4" if you chose, say 5". Keep the rebar short enough so that...

The 4" 'Olde Manor' block above is a better choice than a 2" block for sure. Perhaps not what you want to hear, but 'pouring your own pads' offers the strongest option, in my opinion.:) As we are talking about having the top surface level with the ground, excavate, pour in mixed concrete (from...

Perhaps looking for a product that aren't called pavers would offer additional options. For instance, my local Lowes offers these: https://www.lowes.com/pd/Cap-Concrete-Block-Common-4-in-x-8-in-x-16-in-Actual-3-625-in-x-7-625-in-x-15-625-in/3608974 ... which I have used for load bearing...

Some manufacturers use non-standard fittings/threads for their equipment, particularly where a 'union' is involved. I have experienced that situation with a Waterway Tiny-Might pump. In what may be your case, Sand Dollar Filters with 2" connections use a union, and I suspect that what is in...

Here: SLAM - Shock Level and Maintain

If the "goodyear rubber" hose is really OK for direct burial, your PB should be able to direct you to the hose manufacturer's data sheet/web page that shows specs/applications for that product including direct burial. I am skeptical that rubber hose (particularly if fittings are buried) is...

Pool or not, Ash trees are at serious risk of turning into dead trees. Domestic Ash trees have no defense against an invasive pest, the ash borer. See this link: https://www.texasagriculture.gov/RegulatoryPrograms/PlantQuality/PestandDiseaseAlerts/EmeraldAshBorer.aspx The dead ash trees on...

An accurate and cheap 'big' level can be made from a long length of clear tubing mostly filled with colored water. I suggest keeping one end of the tubing at a fixed reference point and moving the other end of the tubing around the perimeter of your pool location to check how that point compares...

Is this what you are looking for: https://www.recunlimited.com/p/freshwater-salt-system-cartridge-3-pack/ It appears that vendor offers that product available in an online shopping cart system. The "not available for online sales" is at some other vendors is likely due to manufacturer...

Google Maps (satellite view) may be of assistance if you don't have any ground level photos. And if Maps just shows the bulldozed view, older aerial imagery is available in Google Earth

I agree that running separate conduits, including for ethernet is a good idea, even if they just get capped off until you need them. As far as mounting an access point, you may find it useful to use POE (Power Over Ethernet) capability. That way there is no AC power adapter 'outside' in the...

Not such a crazy idea. Granular/powdered items like flour, sugar, plastic pellets, etc are often unloaded from tank trucks pneumatically. And as for salt . . .

The diagram that you drew does not seem to match exactly what I see in the photo. Note the GFCI photo shows a pair of wires at the Line terminals and another pair at the Load terminals. The Line terminals are the source for the GFCI, and connections there are not protected by the GFCI. However...