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HTH 67121, Swimming Pool Care D.E. Filter Aid, 10 lbs9.4Our score 4 photos
HBrandHTHHHTH8 products in our catalogSee all HTH products →ID DBD-17242

HTH 67121, Swimming Pool Care D.E. Filter Aid, 10 lbs

9.4/10 our score 4.7 (570 ratings on Amazon)

Ensures that your D. E. swimming pool or spa filter is function properly with this filter aid so you can enjoy splashing in the water all se

About this item

  • Benefits: Ensures that your D. E. swimming pool or spa filter is function properly with this filter aid so you can enjoy splashing in the water all season long
  • USE: Apply directly to the pool regularly for easy DIY pool care; For best results, use with other HTH pool care products
  • Compatibility: Great for all D. E. filters on pools and spas and is compatible with saltwater systems
  • Features: Removes particles as small as 2-6 microns from swimming pool water; Restores filter efficiency for crystal clear water
Category: Garden & Patio › DE Pool FiltersRanked #99 of 315 in Garden & Patio
9.4Our score
Our verdict

Ensures that your D. E. swimming pool or spa filter is function properly with this filter aid so you can enjoy splashing in the water all se

Ranked #99 in Garden & Patio · 4 things we like

Quick answer The HTH 67121 scores 9.4/10 with us. Amazon owners rate it 4.7 out of 5 across 570 reviews, above the 4.3 average of the 246 products we track in Garden & Patio. It was listed at $29.69 on Amazon when we last checked in September 2026.

HTH 67121 Swimming Pool Care D. E. Filter Aid, Improve Filtration Efficiency and Water Clarity, 10lb

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Product information

11 specifications
Brand NameHTH
Global Trade Identification Number00073187671219
Number of Packs1
Number of Items1
Unit Count160 Fluid Ounces
Item HighlightImprove Filtration Efficiency and Water Clarity
Included ComponentsHTH 67121 Swimming Pool Care D.E. Filter Aid
Item Type NameHTH 67121 Swimming Pool Care D.E. Filter Aid, Improve Filtration Efficiency and Water Clarity, 10lb
Model Number67121
Item FormPowder
Product BenefitsEnsures proper filter function, improves water clarity, removes small particles, restores filter efficiency for crystal

Pros & cons

What we like
  • BENEFITS: Ensures that your D. E. swimming pool or spa filter is function properly with this filter aid so you can enjoy splashing in the water all season long
  • USE: Apply directly to the pool regularly for easy DIY pool care; For best results, use with other HTH pool care products
  • COMPATIBILITY: Great for all D. E. filters on pools and spas and is compatible with saltwater systems
  • FEATURES: Removes particles as small as 2-6 microns from swimming pool water; Restores filter efficiency for crystal clear water
What could be better

    HTH 67121: questions & answers

    Is the HTH 67121 worth buying?

    Yes, it is one of the stronger picks in its group. We score the HTH 67121 9.4 out of 10. Amazon owners rate it 4.7 out of 5 across 570 reviews, above the 4.3 average of the 246 products we track in Garden & Patio.

    How much does the HTH 67121 cost?

    It was listed at $29.69 on Amazon when we last checked in September 2026. Amazon prices change daily, so use the price button on this page to see the current figure.

    What are good alternatives to the HTH 67121?

    Similar, well-rated products in our catalog: HTH 67061 (9.4/10, 4.7 stars from 756 owners); HTH 42052W (9.4/10, 4.7 stars from 5,127 owners); HTH 52047 (9.4/10, 4.7 stars from 829 owners).

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