All things Hot Tub, Spa, & Swimming Pool Blog




All Shock Is Not Created Equal - Part 2: Calcium Hypochlorite

In our last article we addressed the broad categories of choices available to the pool owner when it comes to shock, as well as discussing the uses and benefits of liquid chlorine shock. So let’s move on this week to another popular choice for shock – granular chlorine, in particular calcium hypochlorite. Called “cal hypo” [...]

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All Shock is Not Created Equal – Part 1: Sodium Hypochlorite

These days there are more options for pool owners when looking for a product to shock their pool. It can be downright confusing to the person who just wants to make sure the pool is safe and clean for the family, when presented with the many options for pool shock. Liquid or granular? Chlorine or [...]

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What To Do When You’re On Vacation…But Your Pool Isn’t

July is a great time to enjoy swimming in your pool! Not only are the temperatures hot during the day, making for a refreshing swim, but evening and night swims are also enjoyable due to warmer weather. Add to that the fact that the water temperature has finally come up to a more comfortable range, [...]

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The 4 Steps to Water Clarity (Step 2 of 4)

In our last blog, we addressed the problem of persistent cloudy water that does not respond to normal solutions such as use of clarifiers and other typical chemical solutions. For the most part, persistent clarity problems are much more common with sand filters and to some degree with cartridge/element filters. OK, so if you have [...]

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The 4 Steps to Water Clarity (Step 1 of 4)

One of the hallmarks of a well maintained pool is water clarity – the kind of clarity that allows you to spot a quarter in the deep end of the pool…and tell if it’s heads or tails! Water clarity is not simply a nice feature to brag about to your friends and neighbors, but is [...]

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The Beauty of Potassium Monopersulfate

There are some who have turned to potassium monopersulfate (KMPS or MPS) as a means for shocking their pools. KMPS is a non-chlorine oxidizer, whose chemical formula is KHSO5. It is a strong oxidant with an oxidation potential of similar magnitude to that of chlorine. While it is a powerful oxidizer, there are several important [...]

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Sand Filter Multiport Valve Positions

A close up bird’s eye view of a Hayward Multiport valve -Positions are in ORANGEIf you use a sand filter to maintain your above-ground or in-ground pool, you may have noticed that the handle on the multiport head has either 6 or 7 positions that the filter can be set to. Like many pool owners [...]

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The Importance of pH in Your Pool

In one of our recent blogs on pool chemistry we discussed the role of chemicals in general, the ranges to shoot for, and the reasons for maintaining those ranges. In this week’s blog I’d like to address pH specifically (and pH’s close relative Total Alkalinity) and the many good reasons for maintaining these levels. So [...]

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Common Causes of Air in Your Pool’s Pump & Filter System

Excess air in your pool’s pump and filter is much more than just a nuisance. It is the symptom of a problem – one that could be a minor or major fix. Left unaddressed it will cause other problems as well, and those problems could have minor or major impact. Remember that any pool’s filtration [...]

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What to Do When Your Hot Tub Water Turns Hazy, Milky, or Foamy

What could be more inviting than a hot tub with clear, warm, bubbling and soothing water? Clear water, although not the only vital sign, is definitely a key part of healthy water. Symptoms such as cloudiness, haziness, or excessive foam point to problems in chemical balance, filtration and/or circulation in your spa. Sooner or later [...]

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