Both are signs that your pool is losing water and you have a leak.
Generally, a leak in an above-ground pool is not terrible to find.
Since it is above ground you have the luxury of having the exterior and all theplumbing/mechanicals exposed.
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Make note of the condition of all of these before your touch anything.
Turn the Pump Off
Turnthe pumpoff.
This is so the water stays as still as possible to find the leak.
If the water is still draining out we will be able to see it with thepH testing liquid.
Observe the Water Level
Take note of the water level.
If the level is below the skimmer mouth, then we have a leak in the pool.
Steps 3, 4, and 5 will guide you through what to do next.
If there is a leak you will see the liquid getting sucked into the area around the fittings.
If you do, simply trace the water trail back to the suspected joint.
This may bring you to a cracked hose, loose hose clamp, or threaded connection.
Close off the skimmer mouth with a block off plate and turn the multiport to closed.
If your return has a valve on the outside of the pool, close that as well.
Drain the section in question by removing the hose out of the threaded pipe in question with channel locks.
Liberally add silicone to the threads.
Then rethread the hose in using channel locks being very careful not to over tighten it.
Stopimmediatelyonce you feel resistance.
Check the Pool Filter
Some types of pool filters have drain plugs that can start leaking.
In addition, most pool filters have at least one pressure gauge with a release valve.
It must be replaced.
If the pressure gauge fitting is leaking, remove it with a wrench.
Apply Teflon tape to the thread and reattach the gauge fitting.
When this happens, the water usually stops leaking once it reaches the same level as the tear.
If anything looks suspect, gently squirt the pH tester liquid near the location of the wear.
If it is the source of the leak, you will see it suck in the liquid.
Even a small tear is something that must be patched.
Once you feel that a potential tear has been identified, squirt some pH testing liquid on the tear.
If it sucks it in, then you found your leak.
Use the underwater patch kit to repair it.
If your tear is on a seam of the liner, call a professional for an evaluation.