All things Hot Tub, Spa, & Swimming Pool Blog




Sand Filters 101 – How Important is Sand Quality? – Changing Your Filter’s Sand (Part 2 of 3)

In our last blog we discussed the reasons for changing filter sand as well as the need for using a quality brand of silica sand – we recommend Mystic White II™ silica sand from US Silica. In this blog and the one to follow, I have chosen to focus on the proper method for changing [...]

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How to Heat Up the Pool this Summer!

 If you have a pool with a heater, a heat pump or are just looking to keep your pool warmer, it may be time to consider a using a solar blanket. Especially if you live in the northern half of the country, a chilly pool even on a hot day can change your decision to [...]

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5 Common Ways to Fix: Air Bubbles in Pool Pump & Filter System

What happens when I see air bubbles in my pump basket?How can I prevent air in pool filter?This is a common question that many swimming pool owners ask and the answer can be a quick fix or a major problem. Remember the problem lies from the pump forward. If you are taking in air you [...]

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Dr. Dryden’s Activate Glass Filter Media

Dr. Dryden’s Activate is a glass filter media designed to replace traditional sand in sand filters. Activate, according to the manufacturer, “is made from recycled glass that goes through a patented process of decontamination, sterilization, shaping and activation. Activate creates 300 times more surface area; more surface area means more filtration area given a same size filter [...]

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All Shock Is Not Created Equal - Part 4: Monopersulfate

This is the last article in a series discussing the different types of shock available and their multiple uses. In this week’s installment I’d like to address the last of the common shock alternatives available today to the pool and spa owner – namely monopersulfate. It’s often listed under active ingredients as potassium peroxymonopersulfate. Monopersulfate [...]

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All Shock is Not Created Equal - Part 3: Dichlor

In our running article on shock let’s discuss another alternative – dichlor. It’s full chemical name is sodium dichloro-s-triazinetrione, but unless you’re a chemist we’ll stick with dichlor! Dichlor comes in granular form in a wide range of percentages (strengths), and may have other active ingredients combined with it for multiple purposes.Dichlor is available in [...]

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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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