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Additives & Medications

Additives & Medications

At Aquarium Specialty, we offer the best selection of aquarium additives, supplements and medications for you marine, reef and freshwater aquarium from Triton Labs, ESV, Zeovit, Brightwell Aquatics, Seachem, Kent, DVH,  Prodibio and much more. Call or email us if you need help deciding on which products are best suited for your needs and husbandry requirements.

First Time Customers Use Coupon Code: WELCOME Extra 10% With Account Checkout to Save 10%
Limited Time Offer - 15% Off Livestock

Items 1-36 of 38

Set Descending Direction
  1. Seachem Prime

    Seachem Prime

    Starting at: $2.75
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  2. Seachem Neutral Regulator

    Seachem Neutral Regulator

    Starting at: $3.24
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  3. Seachem Tidal Matrix

    Seachem Tidal Matrix

    Starting at: $5.61
    See Individual Item
    Add to Wish List
  4. Seachem Laboratories Flourish Tabs Plant Supplement - 10 Tabs

    Seachem Laboratories Flourish Tabs Plant Supplement... Flourish Tabs Plant Supplement - 10 Tabs

    Special Price $6.87 Regular Price $8.38
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  5. Seachem Laboratories Flourish Excel Plant Supplement 500ml

    Seachem Laboratories Flourish Excel Pl... Laboratories Flourish Excel Plant Supplement 500ml

    Special Price $8.90 Regular Price $10.85
    This product will be back ordered
    Add to Wish List
  6. Seachem DeNitrate

    Seachem DeNitrate

    Starting at: $2.40
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  7. Seachem Stability

    Seachem Stability

    Starting at: $2.65
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  8. Seachem Garlic Guard

    Seachem Garlic Guard

    Starting at: $2.92
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  9. Seachem Matrix

    Seachem Matrix

    Starting at: $3.17
    See Individual Item
    Add to Wish List
  10. Seachem Clarity

    Seachem Clarity

    Starting at: $3.39
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  11. Seachem Cupramine

    Seachem Cupramine

    Starting at: $3.85
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  12. Seachem Reef Complete

    Seachem Reef Complete

    Starting at: $4.04
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  13. Seachem Reef Advantage Magnesium

    Seachem Reef Advantage Magnesium

    Starting at: $4.06
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  14. Seachem Reef Trace

    Seachem Reef Trace

    Starting at: $4.12
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  15. Seachem Paraguard

    Seachem Paraguard

    Starting at: $4.51
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  16. Seachem SeaGel 250ml

    Seachem SeaGel - Phosphate, Silicate & Or... - Phosphate, Silicate & Organic Waster Remover

    Starting at: $5.49
    See Individual Item
    Add to Wish List
  17. Seachem Reef Builder

    Seachem Reef Builder

    Starting at: $5.84
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  18. Seachem Reef Buffer

    Seachem Reef Buffer

    Starting at: $5.84
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  19. Seachem Reef Carbonate

    Seachem Reef Carbonate

    Starting at: $5.92
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  20. Seachem Reef Plus

    Seachem Reef Plus

    Starting at: $5.94
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  21. Seachem Reef Fusion 1

    Seachem Reef Fusion 1

    Starting at: $6.97
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  22. Seachem Reef Fusion 2

    Seachem Reef Fusion 2

    Starting at: $6.97
    See Individual Item
    Add to Wish List
  23. Seachem Reef Advantage Calcium

    Seachem Reef Advantage Calcium

    Starting at: $7.03
    Usually Ships in 1 - 2 Business Days
    Add to Wish List
  24. Seachem Purigen

    Seachem Purigen

    Starting at: $7.77
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  25. Seachem Reef Strontium

    Seachem Reef Strontium

    Starting at: $5.76
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  26. Seachem Phosguard

    Seachem Phosguard

    Starting at: $4.50
    See Individual Item
    Add to Wish List
  27. Seachem Reef Dip

    Seachem Reef Dip

    Starting at: $4.66
    See Individual Item
    Add to Wish List
  28. Seachem Marine Buffer

    Seachem Marine Buffer

    Starting at: $5.84
    See Individual Item
    Add to Wish List
  29. Seachem Reef Calcium

    Seachem Reef Calcium

    Starting at: $5.76
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  30. Seachem Matrix Carbon 100ml 2 Pack

    Seachem Matrix Carbon 100ml 2 Pack

    Special Price $7.71 Regular Price $9.40
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  31. Seachem KanaPlex

    Seachem KanaPlex 5gm

    Special Price $6.22 Regular Price $7.59
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  32. Seachem Focus 5g

    Seachem Focus 5g

    Special Price $6.22 Regular Price $7.59
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  33. Seachem NeoPlex

    Seachem NeoPlex Antibiotic

    Special Price $6.54 Regular Price $7.98
    This product will be back ordered
    Add to Wish List
  34. Seachem Sulfaplex 10gm

    Seachem Sulfaplex 10gm

    Special Price $6.22 Regular Price $7.59
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  35. Seachem Reef Advantage Strontium 600g

    Seachem Reef Advantage Strontium 600g

    Special Price $6.52 Regular Price $7.95
    Usually Ships In 2 - 3 Business Days
    Add to Wish List
  36. Seachem Cuprisorb100ml

    Seachem Cuprisorb 100ml

    Special Price $8.22 Regular Price $10.03
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
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