Saltwater Additives

Trace elements, buffers and supplements designed to keep saltwater and reef tanks in balance.

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  • Seachem Reef Phosphorus 250mL

    Seachem Reef Phosphorus 250mL

    Seachem Reef Phosphorus 250mL

    $9.99
    Sale price  $9.99 Regular price  $14.00
  • Seachem Stability 100mL

    Seachem Stability 100mL

    Seachem Stability 100mL

    $5.99
    Sale price  $5.99 Regular price  $6.99
  • Seachem Stability 50mL

    Seachem Stability 50mL

    Seachem Stability 50mL

    $4.99
    Sale price  $4.99 Regular price  $6.99
  • Seachem Pristine 2L

    Seachem Pristine 2L

    Seachem Pristine 2L

    $62.22
    Sale price  $62.22 Regular price  $67.88
  • Seachem Stability 250mL

    Seachem Stability 250mL

    Seachem Stability 250mL

    $8.99
    Sale price  $8.99 Regular price  $13.99
  • Seachem Stability Bonus Bottle 325mL

    Seachem Stability Bonus Bottle 325mL

    Seachem Stability Bonus Bottle 325mL

    $8.99
    Sale price  $8.99 Regular price  $14.99
  • Seachem SureStart Pack 3 x 100mL Pack

    Seachem SureStart Pack 3 x 100mL Pack

    Seachem SureStart Pack 3 x 100mL Pack

    $13.99
    Sale price  $13.99 Regular price  $20.99
  • Seachem Reef Iron 500mL

    Seachem Reef Iron 500mL

    Seachem Reef Iron 500mL

    $13.99
    Sale price  $13.99 Regular price  $14.99
  • Seachem Reef Iron 250mL

    Seachem Reef Iron 250mL

    Seachem Reef Iron 250mL

    $9.99
    Sale price  $9.99 Regular price  $11.99
  • Seachem Stability 1L

    Seachem Stability 1L

    Seachem Stability 1L

    $32.40
    Sale price  $32.40 Regular price  $34.99
  • Red Sea 4-Part Complete Reef Care - Med (80 Gallon)

    Red Sea 4-Part Complete Reef Care - Med (80 Gallon)

    Red Sea 4-Part Complete Reef Care - Med (80 Gallon)

    $114.99
    Sale price  $114.99 Regular price 
  • Red Sea 4-Part Complete Reef Care - Lg (160 Gallon)

    Red Sea 4-Part Complete Reef Care - Lg (160 Gallon)

    Red Sea 4-Part Complete Reef Care - Lg (160 Gallon)

    $189.99
    Sale price  $189.99 Regular price  $212.99
  • Red Sea NO3:PO4-X Nitrate & Phosphate Reducer 5L

    Red Sea NO3:PO4-X Nitrate & Phosphate Reducer 5L

    Red Sea NO3:PO4-X Nitrate & Phosphate Reducer 5L

    $139.99
    Sale price  $139.99 Regular price  $165.99
  • Red Sea 4-Part Complete Reef Care - Small (40 Gallon)

    Red Sea 4-Part Complete Reef Care - Small (40 Gallon)

    Red Sea 4-Part Complete Reef Care - Small (40 Gallon)

    $69.99
    Sale price  $69.99 Regular price 
  • Red Sea Reef Mature Pro Kit (4 X 100mL)

    Red Sea Reef Mature Pro Kit (4 X 100mL)

    Red Sea Reef Mature Pro Kit (4 X 100mL)

    $39.99
    Sale price  $39.99 Regular price 
  • Red Sea Trace Colors D (Bioactive Elements) - 500mL

    Red Sea Trace Colors D (Bioactive Elements) - 500mL

    Red Sea Trace Colors D (Bioactive Elements) - 500mL

    $20.99
    Sale price  $20.99 Regular price  $25.99
  • Red Sea Trace Colors C (Iron+) - 500mL

    Red Sea Trace Colors C (Iron+) - 500mL

    Red Sea Trace Colors C (Iron+) - 500mL

    $20.99
    Sale price  $20.99 Regular price  $24.99
  • Red Sea Reef Energy AB+ 500mL

    Red Sea Reef Energy AB+ 500mL

    Red Sea Reef Energy AB+ 500mL

    $29.99
    Sale price  $29.99 Regular price 
  • Red Sea NO3:PO4-X Nitrate & Phosphate Reducer 1 Liter

    Red Sea NO3:PO4-X Nitrate & Phosphate Reducer 1 Liter

    Red Sea NO3:PO4-X Nitrate & Phosphate Reducer 1 Liter

    $36.99
    Sale price  $36.99 Regular price  $41.99
  • Red Sea Trace Colors B (Potassium+) - 500mL

    Red Sea Trace Colors B (Potassium+) - 500mL

    Red Sea Trace Colors B (Potassium+) - 500mL

    $20.99
    Sale price  $20.99 Regular price  $24.99
  • Red Sea Trace Colors A (Iodine+) - 500mL

    Red Sea Trace Colors A (Iodine+) - 500mL

    Red Sea Trace Colors A (Iodine+) - 500mL

    $20.99
    Sale price  $20.99 Regular price  $24.99
  • Red Sea Reef Energy AB+ 1L

    Red Sea Reef Energy AB+ 1L

    Red Sea Reef Energy AB+ 1L

    $44.99
    Sale price  $44.99 Regular price 
  • Red Sea Reef Foundation C (Mg) - 5L

    Red Sea Reef Foundation C (Mg) - 5L

    Red Sea Reef Foundation C (Mg) - 5L

    $119.99
    Sale price  $119.99 Regular price 
  • Red Sea NO3:PO4-X Nitrate & Phosphate Reducer 500mL

    Red Sea NO3:PO4-X Nitrate & Phosphate Reducer 500mL

    Red Sea NO3:PO4-X Nitrate & Phosphate Reducer 500mL

    $24.99
    Sale price  $24.99 Regular price  $26.99