Assuming the Position

assuming the positionFloating is not like laying down on a flat surface.  There is no pressure on the body, and nothing to push against mom and baby.  There are many reasons why normally pregnant women can not lay in certain positions.  Pressure can constrict the blood flow to the mother and/or the baby.  It can be physically harmful to health of the growing baby.

However, in a sensory deprivation tank she can lay down in any position she wants to!

While I was pregnant it was so comforting to relax on my back.  It was euphoric to recline on my belly.  No matter how big that baby belly gets, the Epsom salt water gently supports the body and the magic of buoyancy keeps you afloat.

I used to be a stomach sleeper.  So I missed this as a full term pregnant woman.  Once, while on vacation in Hawaii, (baby moon) my man dug a hole in the sand so I could sunbathe while laying on my belly.  It was so loving and wonderful.  The sensory deprivation tank was the only other place I felt safe laying on my belly like this.

To lay on your belly as a pregnant woman in a tank, I can recommend a few different techniques.  The common theme is how to keep your face out of the water comfortably.

cross your arms under your chin and float like this put your elbows on the floor of the tank and chin in  your hands, the depth of the water is about the length of your forearm if the float business provides a pool noodle as a neck pillow, put the noodle under your chin and arms outstretched under the noodle.  This works brilliantly as even if you fall asleep your head will merely roll to the side with no risk of your face getting in the water (options one and two do not guarantee a dry face if you fall asleep completely)


Original author: Leah Pellegrini

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Water Hardness in a Float Tank

What is water hardness? 

water hardness old laundry 300x289Water hardness is, at its most basic, the presence of certain minerals in water. Historically, water hardness was a measure of water’s ability to form lather during laundering. Harder water, due to it’s high calcium/magnesium content, would not lather as readily (or at all). For a long time there were many different scales for this, due to different countries with different languages measuring different chemical reactions.

Today we measure Total Hardness, the total amount of both calcium and magnesium in the water, in parts per million (ppm). There are also individual tests for magnesium hardness and calcium hardness. Total hardness is not useful for float tanks, since we add about 300,000ppm of magnesium sulfate to our water.

The measurement you would potentially find useful to your tank would be calcium hardness, and even that is not really necessary to monitor.

Why do we (usually) measure water hardness?

High calcium hardness can cause scaling, a crusty precipitation of excess calcium. This is especially harmful to water heaters, as calcium has an inverse temperature solubility; in water, calcium is exothermic, which means it gives off heat when combining with water. This also means that the warmer the water, the less calcium can remained dissolved in it. For this reason water heaters are particularly vulnerable to excessive scaling, which can cause the heater to work harder to less effect. This not only raises the cost of heating your water, but will ultimately result in the heater failing.

Water with low calcium hardness will draw calcium out of any nearby sources, causing significant pitting (the formation of tiny craters) on calcium rich surfaces such as grout, plaster, and concrete. This is not something you are likely to experience in a float center, however, as anything that might be affected by pitting would have already been destroyed by salt. If you do see pitting, it means your room is not water-tight, and you’ve got much bigger problems than just your water hardness.

The best time to measure hardness in your water is before you put it in the tank. Local water sources vary widely, so testing the water directly from the source will give you the best idea of what, if any, corrections need to be made. Ideally, water going into your tank will register between about 100-250ppm.


water hardness ca and mg 300x300What do I do about water hardness?

Any problems you might encounter with hardness are almost entirely determined by the tap water in your area, and the solutions for hardness issues should be implemented before the water even reaches the tank. Issues with water hardness are not going to be a major issue in your tank, but will definitely affect things like water heaters, or electronic/mechanical machinery the water passes through.

In the case of high calcium hardness in your water supply, there are numerous commercially available water softeners. If the water in your tank is already too hard you can attenuate water hardness by adding soft water when you periodically top off your tank.

The good news is that the best way to prevent calcium scaling is with magnesium. In one of the few instances where all this salt is not just destroying everything you hold dear, magnesium disrupts calcium precipitation by mixing with the calcium, softening it, and discouraging further precipitation.

For low calcium hardness in tap water simply adding calcium will solve the problem. The most common way to raise your hardness in the pool industry is calcium chloride.

General information about water hardness, the benefits of soft water, and water treatment options

A few posts that include in depth information on water hardness and it’s history

Information on calcium hardness from Taylor Tech’s official website

BASIN (Boulder Area Sustainability Information Network) on water hardness

Short articles with pictures and information on calcification

Very helpful article, includes visuals of how magnesium disrupts calcification



Original author: Float Tank Solutions



Pampering the Pregnant Woman

pampering pregnant 1

I called it “Pamper Me Friday”.

Acupuncture, massage and floating.

Every Friday afternoon I would get acupuncture, then a float and finish it all off with a massage. Sometimes the order was changed, sometimes I couldn’t manage all three, but for the most part, this trinity of therapies was where it was at! What more could a pregnant woman want? An occasional mani-pedi… Breakfast in bed… Sure. But the holy trinity kept my body in check and present and as comfortable as possible.

The massage loosened my muscles and eased the tension of my growing stressed out body. The acupuncture kept me healthy, dealt with my constipation and kept my chi moving. The floating was a great anti-inflammatory for my swollen pregnant body and a soothing source of meditation for my panicking mind.

The holy trinity took care of me. It might not have been breakfast in bed, but this was some seriously good pregnant pampering. I may not have gotten a good nights sleep for 9 months or so, but damn, Fridays were wonderful.


Original author: Leah Pellegrini

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The things you see in a Float Tank


Edgar Allen Poe wrote of “fancies” he experienced “only when I am on the brink of sleep with the consciousness that I am so.” 

things you see in the tank

He’s not alone.  Many have used the tank to plug into that state and use it to explore deeper consciousness. 

That transition state between awake and asleep is a magical time and floating allows you often to hang there, suspended, a little longer than usual. 

During your time in this state, the theta state, you may experience a wide array of sensory experience.  Sight, sound, sensations that range from subtle and barely there to vivid, hallucination-type experiences are fairly common during the float experience.  These are called hypnogogic hallucinations.

Hypnogogic hallucinations aren’t exactly dreams.  They often lack narrative content.  They are fleeting, gone before they start.  They are characterized by heightened suggestibility, illogic and a fluid association of ideas. 

EEG readings have shown that there is some elevated responsiveness to sound around where you sleep, however, in the tank, without the outside input we imagine your brain reaches deep into your consciousness.  Hypnogogia may provide insight to parts of our consciousness we aren’t able to access during our day to day, waking hours.

There are a few common hypnogogia that happens more than others.

During post-float discussion, we hear most often about light shows.  These shows are lines, shapes or geometrical patterns that are monochromatic or richly colored floating in and out of your “sight”.  From dramatic images resembling lightening to fluid, graceful colored shapes, you’ll find the journals sitting around our space full of beautiful color-scapes recreated from hypnogogic hallucinations.

People who have spent a long time doing repetitive tasks or looking at repetitive images before sleep often find it dominates their imagery as they grow drowsy.  This is referred to as the tetris effect.

Vivid scenes, often without context can appear.  Flashes of images from the past, the present or a mix of both can appear in a way that is so realistic, you are transported there for a few brief moments.  Snatches of a scene you may or may not know are created for a few moments.

It’s not always about sight.  Hypnogogic hallucinations can also have an auditory component.  You may hear snatches of imagined speech.  It may also manifest as your inner voice or the voices of others. 

Not so common is the ability to hear music in the theta state.  But it does happen!  We have a client who spends her tank time hearing piano music, composed on the spot by her mind.

Is it your mind simply working through all the information fed in through the day?  Or are we also getting insight into deeper self?  Every day people coming out of the float tanks calmer and clearer, being aware of more then before they went into the float tank. 

Listen, journal and learn from the very best teacher, your own personal guru, which is simply and beautifully you.



Original author: Float Nashville

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When Float Tank Pumps Die

When our pump started making occasional whirring noises I knew I was getting a hint that my pump was on it’s way out. When it started screaming like a banshee, I knew I had waited too long before figuring out how to swap it out. This is a brief account of my experience replacing our Floatarium filtration system.

dead pump

Click on the image for a video showcasing the sound of a dying pump

The filtration system that came with our Floatarium has always been a pain. It is very difficult to change the filters (and salt water gets everywhere), the 1hp pump never seemed like quite enough power for the large amount of water it has to move, and the UV lights came with a mess of wires.
We have decided that UV light is not required in our tanks. It sounds great when you explain to customers that you have it, but I don’t believe that it is actually doing the work promised. We also decided an easier to change filter would be necessary along with a more powerful pump.

I went online and did my best comparative shopping hoping for a 2hp pump, however high prices led me to a less expensive 1.5hp pump on Amazon. I also found a reasonably priced filter online, and I paid extra so that the parts would arrive on Tuesday (the one day a week we are closed).

I had two days to kick back and wait for the parts to arrive. Everything was going to go ass scheduled, except that our pump died Monday morning. Every time we turned on the switch for the pump it would trip the circuit breaker. We canceled floats in the Floatarium for that day, but that didn’t mean we were safe. We use an inline heater (which I’m a big fan of) for heating our tank, which means that if the pump isn’t run, the water temperature drops continuously. Now I wasn’t just in a rush to get customers back into the tank, I was in a rush to save our salt water!

After a smfloatation filtration 1all fiasco involving me driving down a UPS driver on Tuesday, I got to work at the Shoppe and started disassembling our existing equipment. It was an adrenaline fueled experience knowing that this was all or nothing. I would either create a new filtration system before the water cooled or our water would crystallize.

Unfortunately I had to deal with the previous plumbing I had done that worked around my old filtration equipment. That, coupled with the fact that I didn’t have access to flex tubing meant I wasn’t going to build what I wanted. The great news is that I have a plumbing store one block away from me, so I was able to get all the other parts I needed from there.

Plumbing is a surprisingly simple operation. There are a few guidelines I like to follow; floatation filtration 2as few 90 degree bends as possible (it’s not good for water flow), and to try to keep the plumbing the same width tubing throughout. I failed on both of these accounts. There are more 90 angles than I originally planned, and there is a point where my 1″ tubing changed to 1 1/2″, then later back to 1″. It’s not the worst thing in the world, it just adds a little more stress to a system that is already stressed by pumping  incredibly dense salt water. I also wish the entire operation were closer to the float tank itself so that the water spent less time in the hosing.

I still have more work to do such as mounting the pump to a board and getting a more permanent stand for the filter to sit on (that can be removed so that the filter housing can drop down). Finally, I will need to hook up the float tank’s main control box to the pump so that it is switch operated (and tells us the temp of the tank.)

The great news is that we are able to float people in our Floatarium float tank again without canceling on any more customers.

Original author: Dylan Schmidt

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