Natural Chemistry Phosfree 3 Lt 05121 5121
$ 32.99 New Available online
Natural Chemistry Phosfree 3 Lt 05121 5121 - Midwest Pool & Spa
Natural Chemistry

Natural Chemistry Phosfree 3 Lt 05121 5121

$32.99

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Natural Chemistry 3 liter Phosfree 05121 Removes 600 ppb phosphates per quart, 1800 ppb per Bottle
Mfg #: 05121
UPC Code: 717108051215

If pool has algae, follow dealer instructions to treat
Balance water chemically
Clean or backwash filter, if necessary
Determine required PHOSfree dosage from chart

With filter running, shake bottle well, and add required dose directly to the skimmer
Run filter at least 8-24 hours per day for one week or 48 hours continuously without backwashing or cleaning

When phosphate levels are 100ppb or less, begin weekly dose of Pool Perfect+PHOSfree

PHOSfree Weekly Maintenance Dosage
1 cap (4oz) per 8,000 gallons (30,000L)

Dosage Chart
Dose per 10,000 gallons (38,000L)
Phosphate Level - PHOSfree Dosage
0- 300ppb - 1/2L or 16oz
600ppb - 1L or 32oz
900ppb - 1.5L or 48oz


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