Do I Need To Use A Metal Sequestrant

[The Pup]

The following picture shows information on my city water.

Question, do I need to use a metal sequestrant (such as Leisure Time Metal Gon) at very refill?

I have never noticed staining in the past (or brown water). In fact, the water at the tap is always perfectly balanced from the start.

Note: I am currently using a Bromine 3-Step method.

Definitions

µS/cm = measure of specific conductance

n/a = not applicable

ND = not detected

NTU = nephelometric turbidity unit

pCi/L = picoCuries per liter (measure of radioactivity)

ppb = parts per billion (micrograms per liter)

ppm = parts per million (milligrams per liter)

SMCL = secondary maximum contaminant level

Public Health Goal (PHG): The level of a contaminant in drinking water below which there is no known or expected risk to health. PHGs are set by the California Environmental Protection Agency.

Maximum Contaminant Level Goal (MCLG): The level of a contaminant in drinking water below which there is no known or expected risk to health. MCLGs are set by the U.S. Environmental Protection Agency (USEPA).

Maximum Contaminant Level (MCL): The highest level of a contaminant that is allowed in drinking water. Primary MCLs are set as close to the PHGs (or MCLGs) as are economically and technologically feasible. Secondary MCLs are set to protect the odor, taste, and appearance of drinking water.

Maximum Residual Disinfectant Level Goal (MRDLG): The level of a drinking water disinfectant below which there is no known or expected risk to health. MRDLGs do not reflect the benefits of the use of disinfectants to control microbial contaminants.

Maximum Residual Disinfectant Level (MRDL): The highest level of a disinfectant allowed in drinking water. There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants.

Notification Level (NL): A health-based advisory level for an unregulated contaminant in drinking water. It is used by the California Department of Public Health to provide guidance to drinking water systems.

Primary Drinking Water Standard (PDWS): MCLs and MRDLs for contaminants that affect health, along with their monitoring, reporting, and water treatment requirements.

Regulatory Action Level (AL): The concentration of a contaminant which, if exceeded, triggers treatment or other required action by the water provider.

Treatment Technique (TT): A required process intended to reduce the level of a contaminant in drinking water.

[chem geek]

The 90th percentile of 0.23 for copper is fine. Unfortunately, they don't list the amount of iron in the water. It is mostly copper and iron that you need to worry about and realistically from tap water sources it's iron that is the more likely issue since copper usually isn't very high. You can have your iron level tested at a pool/spa store. It's probably low if you've never had a problem with staining. Usually, surface sources of water (i.e. rivers, streams, springs) don't have a lot of iron while well water sometimes does, but the only way to know for sure is to have it tested.

[The Pup]

The 90th percentile of 0.23 for copper is fine. Unfortunately, they don't list the amount of iron in the water. It is mostly copper and iron that you need to worry about and realistically from tap water sources it's iron that is the more likely issue since copper usually isn't very high. You can have your iron level tested at a pool/spa store. It's probably low if you've never had a problem with staining. Usually, surface sources of water (i.e. rivers, streams, springs) don't have a lot of iron while well water sometimes does, but the only way to know for sure is to have it tested.

Thank you Sir.

I will get my water tested for iron.