The Piscimar Spot Remover PM-665 is a granular stain remover for pools, formulated to tackle stubborn marks on walls, grout lines, floors and steps. It works especially well on metallic and yellow-brown stains by helping to re-dissolve metals such as copper, iron and nickel that are typically behind this type of discolouration.
What is Piscimar Spot Remover PM-665 used for?
Piscimar Spot Remover PM-665 is designed for stains that have bonded to pool surfaces and won’t shift with brushing or routine cleaning alone.
It targets metallic marks, yellow-brown discolouration and localised staining on walls, grout lines, floors and steps.
During treatment the product helps to re-dissolve the metals locked into the stain. Once that process is complete, it’s important to sequester those metals in the water with a suitable metal chelant – otherwise the stain is likely to return.
Dosage and application of Piscimar Spot Remover PM-665
Before applying Piscimar Spot Remover PM-665, the water must be correctly prepared. Chlorine should be reduced to a maximum of 0.5 ppm and pH balanced, ideally close to 7.0.
Recommended dosage
- Widespread pool staining: 20 g/m³, distributed evenly through the pool water.
- Localised stains: 12 g/m³, applied directly over the affected area.
- After 3-4 hours: follow up with Piscimar Ion Magnetic PM-615 or Piscimar Copper Out PM-655, depending on the suspected metal type.
Step-by-step application guide
- Reduce chlorine to a maximum of 0.5 ppm before treatment.
- Adjust pH to approximately 7.0.
- Apply Spot Remover according to stain type: broadcast through the pool for widespread marks, or apply directly over the affected zone for localised stains.
- For localised stains, allow the product to work for around 10 minutes before switching on filtration.
- Run filtration to help circulate the product through the water.
- After 3-4 hours, dose a suitable metal sequestrant.
- After 24 hours, re-check pH and adjust back to your normal pool operating level of 7.2.
What to expect after applying Piscimar Spot Remover PM-665
After treatment with Piscimar Spot Remover PM-665, the aim is to reduce the intensity of stains bonded to the pool surface – particularly those caused by metals such as copper, iron or nickel.
How well it works depends on the source of the stain, how long it has been embedded, and whether the water was correctly prepared before application.
If the stain shows little improvement, it may not be metallic in origin, or it may be too deeply ingrained. In that case, confirm the stain source before repeating treatment.
Why choose Piscimar Spot Remover PM-665 for pool stains?
Piscimar Spot Remover PM-665 is the right choice when stains have already bonded to pool surfaces – especially metallic or yellow-brown marks that routine cleaning can’t shift.
It acts directly on stubborn marks, helping to restore walls, grout lines, floors and steps to a cleaner condition.
- Targets bonded stains on pool surfaces.
- Effective on metallic and yellow-brown discolouration.
- Suitable for walls, grout lines, floors and steps.
- Helps re-dissolve metals including copper, iron and nickel.
- Recommended for use with Ion Magnetic or Copper Out after treatment.
Spot Remover is not a preventative product and does not replace a metal sequestrant. Its primary role is to help remove stains that have already bonded to the surface.
Why buy Piscimar Spot Remover PM-665 from Pools&More
At Pools&More you’ll find Piscimar Spot Remover PM-665 backed by a team of pool water treatment specialists with hands-on experience in stain diagnosis and surface recovery.
As an official Piscimar stockist, Pools&More can help you confirm whether Spot Remover is the right product for your stain type and advise on which follow-up treatment – Ion Magnetic or Copper Out – best suits your situation.
- Official Piscimar stockist.
- Specialists in pool water treatment and stain removal.
- Advice available before and after purchase.
- Guidance on the right treatment for bonded pool stains.
Frequently asked questions
What does Piscimar Spot Remover PM-665 actually do?
Piscimar Spot Remover PM-665 helps remove stains that have bonded to pool surfaces – walls, grout lines, floors and steps – with a particular focus on metallic and yellow-brown discolouration caused by metals such as copper, iron or nickel.
Will Spot Remover get rid of algae stains in my pool?
It’s not the right product for algae. Spot Remover is formulated specifically for bonded stains of metallic origin. If algae is the cause, you’ll need a dedicated algaecide or targeted algae treatment instead.
Do I need to lower chlorine before using Spot Remover?
Yes. Chlorine must be at or below 0.5 ppm before application. Higher chlorine levels interfere with the treatment and reduce its effectiveness.
What pH level should the pool be at before treatment?
Aim for a pH of 7.0 before applying Spot Remover. It’s normal for pH to drop during treatment, so re-test after 24 hours and adjust back to the standard operating level of 7.2.
How much Piscimar Spot Remover PM-665 should I use?
For staining spread across the pool, use 20 g/m³ broadcast into the water. For a concentrated patch, apply 12 g/m³ directly over the affected area and allow 10 minutes of contact time before starting filtration.
How do I apply Spot Remover to a localised stain?
Apply the product directly over the stained area, leave it to work for around 10 minutes, then switch on filtration to circulate the water. Always follow the label instructions before use.
Why should I use Ion Magnetic or Copper Out after treatment?
Spot Remover re-dissolves the metals embedded in the stain back into the water. Without a follow-up sequestrant like Ion Magnetic or Copper Out, those metals remain in solution and the staining is likely to reappear.
Is Spot Remover safe to use in liner and polyester pools?
Yes. Piscimar Spot Remover PM-665 is suitable for liner, polyester, tile and concrete pool finishes. Apply as directed on the label and follow the preparation steps for best results.
Will Spot Remover damage stainless steel fittings?
No. Piscimar Spot Remover PM-665 does not attack stainless steel components. Use it as directed and it is safe around standard pool fittings and fixtures.
Does Spot Remover prevent stains from coming back?
No – it removes existing bonded stains, but prevention is a separate step. To stop metallic stains returning, you need to keep dissolved metals under control with a regular metal sequestrant programme.
| Weight | N/A |
|---|---|
| spotremover | 0,5Kg, 1.1 kg, 5Kg |
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