The short answer is yes, you can swim in a Blue70 wetsuit in a chlorinated pool for a short fit check, a one-time skills session, or transition practice. But chlorine attacks neoprene, seams, and zippers, and most lap pools are warmer than open water. Regular pool training in a wetsuit shortens the life of the suit and can hide some stroke flaws. That is the trade-off.
What chlorine does to a wetsuit
Chlorine is a strong oxidizer. Over repeated exposure it dries out the neoprene, fades the outer fabric, and weakens the glue that holds the seams together. The flexible cell structure that gives Blue70 suits their shoulder mobility becomes stiffer and more brittle. The suit loses stretch, takes in more water, and starts to tear more easily.
Blue70's warranty covers manufacturing and material defects for one year, but it does not cover heat or chlorine damage. If you take a race suit like the Helix into the pool every week, you are using a $995 piece of thin, flexible neoprene in an environment it was not built for. Blue70 itself notes that the Helix's race-day neoprene can break down more quickly with heavy training use. A more durable suit such as the Reaction or Fusion will tolerate occasional chlorine better, but no wetsuit is designed for regular pool use.
Why pool water is different from open water
Most lap pools are kept between about 78 and 82 degrees Fahrenheit. Blue70 guidance points to above about 70 to 72 degrees as the range where a full wetsuit can become too warm over longer swims. A wetsuit traps a thin layer of water against your skin for insulation. In a warm pool, that same layer can cause you to overheat during a long workout.
The buoyancy also changes how you feel in the water. In open water, a Blue70 wetsuit lifts your hips and legs, which reduces drag and makes you sit higher in the water. In a pool, that lift can hide a weak core or sinking leg position. If you only train in a wetsuit, you lose the feedback you need to build a stronger freestyle. The pool is where you develop the engine.
When a pool swim makes sense
A short pool session is reasonable for two jobs: checking fit before race day and practicing wetsuit removal in a controlled environment. Blue70's Test Swim policy lets you swim in a wetsuit and still return or exchange it if the suit comes back clean, dry, unmodified, and with tags and accessories attached.
A 10-minute pool test can tell you whether the shoulders pull, the neck seals, and the zipper cord is easy to reach. A Blue70 wetsuit should feel snug on dry land and more comfortable once you are in the water. If you do this, use the same suit you plan to race in, but keep the session short. One or two pool sessions are manageable. Regular pool laps are not.
How to minimize chlorine damage
If you swim in a chlorinated pool, rinse the suit inside and out with cool, clean water as soon as you leave the water. Turn it inside out and rinse again to flush chlorine out of the seams and zipper. Hang it to dry away from direct sunlight and away from heat. Do not wring it, put it in a washer or dryer, or leave it in a wet bag in a hot car.
If you notice a small fingernail nick or heel tear, Blue70 carries Aquaseal neoprene cement for small repairs. Small tears get worse when chlorine sits in them. Treat them early.
What to use instead for regular pool training
For daily lap swimming, use a Blue70 practice swimsuit. It is cut for swimming and built to handle repeated chlorine exposure. Save the wetsuit for open water and race day. If you want some of the buoyancy feel in open water without a full suit, the LIFT buoyancy short is an option, but even that is not made for frequent pool training.
The right tool for the water matters. In the pool, that means a swimsuit. In open water or on race day, that means a Blue70 wetsuit. Happy swimming!
