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As I understand it, the minimum acceptable water flow for a Pentair Mastertemp 400 heater is 40 GPM. My understanding is that there is a flow switch (or pressure switch or something) in the heater that will not allow the heater to turn on if the flow is lower than 40 GPM. My heater however...

I have the TF-100 Test Kit, which doesn't include a test for phosphates. I brought a sample of my pool water to the pool store (since I was going there anyway for other stuff), and they tested my water and told me my phosphate level was 2041. Should I add phosphate remover to get rid of it, or...

At certain times during the cleaning cycle, the Dolphin S200 is supposed to travel up to the waterline, and then travel sideways along the waterline (with its scrub brush spinning) in order to clean a stretch of the waterline. As I understand it, the S200 normally shoots water out of its top to...

Currently my IntelliCenter turns on freeze protection mode at 35 or 36 degrees, which is too high for me. It ends up wasting a lot of electricity to run the pumps at temperatures which are too warm to actually need freeze protection. I want to lower the set point at which freeze protection...

In short, I have an IntelliCenter and have completed the setup wizard, but I am not able to control either of my two pumps in any way with the IntelliCenter. To give a little more info, I have an IntelliCenter i10PS. I also have two Pentair VSF 011056 pumps (one is the filter pump for the pool...

How many separate actuators (for valves) can I control with the Pentair IntelliCenter i10PS? I'm just concerned with how many total actuators I can control, and am not concerned with the limits of other equipment such as lights, etc.

In my setup I will have two Pentair 3HP VSF pumps. The first pump will provide the flow for the pool and spa, and the second pump will provide the flow for all of the water features (three 18" sheer descents, three bubblers, and two deck jets). Currently the roughed in plumbing consists of the...

For those who have some experience with in-pool umbrella holders (e.g. umbrella holders in the tanning ledge), would you recommend brass or PVC umbrella holders? I just assumed brass ones would be better, but my pool builder says he does not like the brass ones and has had problems with them...

I'm having trouble figuring out the best place to locate my pool lights. I will have five Pentair color MicroBrite Lights. One will be in the spa, and the other four will be in the pool. I'm not concerned about the placement of the spa light, but I'm having trouble figuring out where to place...

Should skimmers and returns be plumbed with 1.5", 2", or 2.5" pipe, or something else? I will have two skimmers and 5 returns. Pump is a 3 HP Pentair VSF pump, model 011056. The pipes for my pool build were just delivered, and I'm seeing a combination of 1.5" pipes, 2" pipes, and 2.5" pipes.

How many Pentair MicroBrite LED color lights would you recommend for an 18' by 6' tanning ledge? To provide a little more context, as shown in the picture below, the tanning ledge will extend across the 18' width of the pool (the overall dimensions of the pool are 18' by 36'). The tanning...

I am getting an IntelliCenter with my new pool build, and my pool builder is telling me that if I want to control the pool and spa equipment with my iPhone, that in addition to the IntelliCenter, I will need to purchase a ScreenLogic system. Is this correct, or is the ScreenLogic functionality...

Based on my design, it appears that the riser height of my top two steps will need to be a good bit less than the remaining lower steps. Specifically, the first step will be 7" below the deck surface, the second step will be 7" below the first step, the third step will be 12" below the second...

Is a 6 to 1 pool depth slope too steep to comfortably walk up and down, and to just hang out and stand on? In a portion of my pool that I am planning, I am considering making the depth of the pool go from 3.5 feet deep to 5.5 feet deep over a horizontal distance of 12 feet (i.e. a 6 to 1...