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Heaters & Chillers

  • Seachem Para Guard Parasite Control - 17 oz (500 mL) - Giftscircle
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    Original price $20.84
    Original price $20.84 - Original price $20.84
    Original price $20.84
    Current price $15.95
    $15.95 - $15.95
    Current price $15.95

    Seachem Para Guard Parasite Control - 17 oz (500 mL)

    Seachem

    ParaGuard is the only fish and filter safe aldehyde based (10% by weight) parasite control product available. Unlike highly toxic and difficult to ...

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    Original price $20.84
    Original price $20.84 - Original price $20.84
    Original price $20.84
    Current price $15.95
    $15.95 - $15.95
    Current price $15.95
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  • API pH Up - 4 oz - Giftscircle
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    Original price $8.17
    Original price $8.17 - Original price $8.17
    Original price $8.17
    Current price $7.43
    $7.43 - $7.43
    Current price $7.43

    API pH Up - 4 oz

    API

    Liquid pH Control. pH Up is fast acting and colorless, it raises pH and makes water more alkaline without clouding the water. 1.25 oz. bottle on ...

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    Original price $8.17
    Original price $8.17 - Original price $8.17
    Original price $8.17
    Current price $7.43
    $7.43 - $7.43
    Current price $7.43
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  • API pH Up - 1.25 oz - Giftscircle
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    Original price $4.94
    Original price $4.94 - Original price $4.94
    Original price $4.94
    Current price $4.49
    $4.49 - $4.49
    Current price $4.49

    API pH Up - 1.25 oz

    API

    Liquid pH Control. pH Up is fast acting and colorless, it raises pH and makes water more alkaline without clouding the water. 1.25 oz. bottle on ...

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    Original price $4.94
    Original price $4.94 - Original price $4.94
    Original price $4.94
    Current price $4.49
    $4.49 - $4.49
    Current price $4.49
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  • API Proper pH Adjuster for Aquariums - pH 7.0 - 250 Gram Jar - Giftscircle
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    Original price $12.91
    Original price $12.91 - Original price $12.91
    Original price $12.91
    Current price $11.74
    $11.74 - $11.74
    Current price $11.74

    API Proper pH Adjuster for Aquariums - pH 7.0 - 250 Gram Jar

    API

    Easy-to-use, fast dissolving powder that automatically sets and stabilizes pH at 8.2 while neutralizing chlorine and detoxifying heavy metals. Cont...

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    Original price $12.91
    Original price $12.91 - Original price $12.91
    Original price $12.91
    Current price $11.74
    $11.74 - $11.74
    Current price $11.74
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  • API Proper pH Adjuster for Aquariums - pH 7.5 - 260 Gram Jar - Giftscircle
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    Original price $15.18
    Original price $15.18 - Original price $15.18
    Original price $15.18
    Current price $11.74
    $11.74 - $11.74
    Current price $11.74

    API Proper pH Adjuster for Aquariums - pH 7.5 - 260 Gram Jar

    API

    Easy-to-use, fast dissolving powder that automatically sets and stabilizes pH at 8.2 while neutralizing chlorine and detoxifying heavy metals. Cont...

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    Original price $15.18
    Original price $15.18 - Original price $15.18
    Original price $15.18
    Current price $11.74
    $11.74 - $11.74
    Current price $11.74
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  • API Stress Zyme Plus - 1 Gallon (Treats 7,560 Gallons) - Giftscircle
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    Original price $103.72
    Original price $103.72 - Original price $103.72
    Original price $103.72
    Current price $63.25
    $63.25 - $63.25
    Current price $63.25

    API Stress Zyme Plus - 1 Gallon (Treats 7,560 Gallons)

    API

    Contains 300 million live bacteria per teaspoonful. Helps clean an aquarium by eliminating sludge build-up. Prevents ammonia & nitrite poisonin...

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    Original price $103.72
    Original price $103.72 - Original price $103.72
    Original price $103.72
    Current price $63.25
    $63.25 - $63.25
    Current price $63.25
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  • API Water Softner Pillow - 2 oz (Treats up to 20 Gallons) - Giftscircle
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    Original price $8.76
    Original price $8.76 - Original price $8.76
    Original price $8.76
    Current price $7.96
    $7.96 - $7.96
    Current price $7.96

    API Water Softner Pillow - 2 oz (Treats up to 20 Gallons)

    API

    Removes calcium, magnesium and soluble heavy metals from aquarium water. Lowers hardness and softens water. Does not add harmful ingredients. Conve...

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    Original price $8.76
    Original price $8.76 - Original price $8.76
    Original price $8.76
    Current price $7.96
    $7.96 - $7.96
    Current price $7.96
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  • Algone Water Clarifier & Nitrate Remover - Up to 110 Gallons - Giftscircle
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    Original price $10.56
    Original price $10.56 - Original price $10.56
    Original price $10.56
    Current price $8.80
    $8.80 - $8.80
    Current price $8.80

    Algone Water Clarifier & Nitrate Remover - Up to 110 Gallons

    Algone

    Clears cloudy aquarium water Removes nitrate and ammonia Maintains crystal clear fish tank Solves water quality problems

    Original price $10.56
    Original price $10.56 - Original price $10.56
    Original price $10.56
    Current price $8.80
    $8.80 - $8.80
    Current price $8.80
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  • API pH Down Aquarium pH Adjuster - 16 oz - Giftscircle
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    Original price $22.14
    Original price $22.14 - Original price $22.14
    Original price $22.14
    Current price $15.41
    $15.41 - $15.41
    Current price $15.41

    API pH Down Aquarium pH Adjuster - 16 oz

    API

    Lowers pH and makes aquariums more acidic. Fast-acting, colorless, easy-to-use and will not cloud or color aquarium water. 1.25 oz.bottle on card (...

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    Original price $22.14
    Original price $22.14 - Original price $22.14
    Original price $22.14
    Current price $15.41
    $15.41 - $15.41
    Current price $15.41
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  • API Stress Zyme Plus - 16 oz (Treats 960 Gallons) - Giftscircle
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    Original price $18.69
    Original price $18.69 - Original price $18.69
    Original price $18.69
    Current price $16.99
    $16.99 - $16.99
    Current price $16.99

    API Stress Zyme Plus - 16 oz (Treats 960 Gallons)

    API

    Contains 300 million live bacteria per teaspoonful. Helps clean an aquarium by eliminating sludge build-up. Prevents ammonia & nitrite poisonin...

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    Original price $18.69
    Original price $18.69 - Original price $18.69
    Original price $18.69
    Current price $16.99
    $16.99 - $16.99
    Current price $16.99
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  • API Tap Water Conditioner - 64 oz - Giftscircle
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    Original price $36.88
    Original price $36.88 - Original price $36.88
    Original price $36.88
    Current price $29.80
    $29.80 - $29.80
    Current price $29.80

    API Tap Water Conditioner - 64 oz

    API

    Concentrated aquarium water conditioner. Instantly removes chlorine and detoxifies heavy metals from tap water. Safe for all aquarium life. One tea...

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    Original price $36.88
    Original price $36.88 - Original price $36.88
    Original price $36.88
    Current price $29.80
    $29.80 - $29.80
    Current price $29.80
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  • API Stress Zyme Plus - 8 oz (Treats 480 Gallons) - Giftscircle
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    Original price $12.22
    Original price $12.22 - Original price $12.22
    Original price $12.22
    Current price $11.11
    $11.11 - $11.11
    Current price $11.11

    API Stress Zyme Plus - 8 oz (Treats 480 Gallons)

    API

    Contains 300 million live bacteria per teaspoonful. Helps clean an aquarium by eliminating sludge build-up. Prevents ammonia & nitrite poisonin...

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    Original price $12.22
    Original price $12.22 - Original price $12.22
    Original price $12.22
    Current price $11.11
    $11.11 - $11.11
    Current price $11.11
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  • API Proper pH Adjuster for Aquariums - pH 6.5 - 240 Gram Jar - Giftscircle
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    Original price $12.91
    Original price $12.91 - Original price $12.91
    Original price $12.91
    Current price $11.74
    $11.74 - $11.74
    Current price $11.74

    API Proper pH Adjuster for Aquariums - pH 6.5 - 240 Gram Jar

    API

    Easy-to-use, fast dissolving powder that automatically sets and stabilizes pH at 8.2 while neutralizing chlorine and detoxifying heavy metals. Cont...

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    Original price $12.91
    Original price $12.91 - Original price $12.91
    Original price $12.91
    Current price $11.74
    $11.74 - $11.74
    Current price $11.74
    Save 9% Save %
  • API pH Down Aquarium pH Adjuster - 4 oz - Giftscircle
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    Original price $6.79
    Original price $6.79 - Original price $6.79
    Original price $6.79
    Current price $6.17
    $6.17 - $6.17
    Current price $6.17

    API pH Down Aquarium pH Adjuster - 4 oz

    API

    Lowers pH and makes aquariums more acidic. Fast-acting, colorless, easy-to-use and will not cloud or color aquarium water. 1.25 oz.bottle on card (...

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    Original price $6.79
    Original price $6.79 - Original price $6.79
    Original price $6.79
    Current price $6.17
    $6.17 - $6.17
    Current price $6.17
    Save 9% Save %
  • Algone Water Clarifier & Nitrate Remover - Over 110 Gallons - Giftscircle
    Save 17% Save %
    Original price $15.84
    Original price $15.84 - Original price $15.84
    Original price $15.84
    Current price $13.20
    $13.20 - $13.20
    Current price $13.20

    Algone Water Clarifier & Nitrate Remover - Over 110 Gallons

    Algone

    Clears cloudy aquarium water Removes nitrate and ammonia Maintains crystal clear fish tank Solves water quality problems

    Original price $15.84
    Original price $15.84 - Original price $15.84
    Original price $15.84
    Current price $13.20
    $13.20 - $13.20
    Current price $13.20
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  • API Tap Water Conditioner - 16 oz - Giftscircle
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    Original price $9.79
    Original price $9.79 - Original price $9.79
    Original price $9.79
    Current price $8.90
    $8.90 - $8.90
    Current price $8.90

    API Tap Water Conditioner - 16 oz

    API

    Concentrated aquarium water conditioner. Instantly removes chlorine and detoxifies heavy metals from tap water. Safe for all aquarium life. One tea...

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    Original price $9.79
    Original price $9.79 - Original price $9.79
    Original price $9.79
    Current price $8.90
    $8.90 - $8.90
    Current price $8.90
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  • API Proper pH Adjuster for Aquariums - pH 8.2 - 160 Gram Jar - Giftscircle
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    Original price $15.18
    Original price $15.18 - Original price $15.18
    Original price $15.18
    Current price $11.74
    $11.74 - $11.74
    Current price $11.74

    API Proper pH Adjuster for Aquariums - pH 8.2 - 160 Gram Jar

    API

    Easy-to-use, fast dissolving powder that automatically sets and stabilizes pH at 8.2 while neutralizing chlorine and detoxifying heavy metals. Cont...

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    Original price $15.18
    Original price $15.18 - Original price $15.18
    Original price $15.18
    Current price $11.74
    $11.74 - $11.74
    Current price $11.74
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  • API Stress Zyme Plus - 1 oz (Treats 60 Gallons) - Giftscircle
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    Original price $2.73
    Original price $2.73 - Original price $2.73
    Original price $2.73
    Current price $2.48
    $2.48 - $2.48
    Current price $2.48

    API Stress Zyme Plus - 1 oz (Treats 60 Gallons)

    API

    Contains 300 million live bacteria per teaspoonful. Helps clean an aquarium by eliminating sludge build-up. Prevents ammonia & nitrite poisonin...

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    Original price $2.73
    Original price $2.73 - Original price $2.73
    Original price $2.73
    Current price $2.48
    $2.48 - $2.48
    Current price $2.48
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  • API Stress Zyme Plus - 64 oz (Treats 3,840 Gallons) - Giftscircle
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    Original price $59.78
    Original price $59.78 - Original price $59.78
    Original price $59.78
    Current price $52.48
    $52.48 - $52.48
    Current price $52.48

    API Stress Zyme Plus - 64 oz (Treats 3,840 Gallons)

    API

    Contains 300 million live bacteria per teaspoonful. Helps clean an aquarium by eliminating sludge build-up. Prevents ammonia & nitrite poisonin...

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    Original price $59.78
    Original price $59.78 - Original price $59.78
    Original price $59.78
    Current price $52.48
    $52.48 - $52.48
    Current price $52.48
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  • API Tap Water Conditioner - 32 oz - Giftscircle
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    Original price $22.24
    Original price $22.24 - Original price $22.24
    Original price $22.24
    Current price $16.99
    $16.99 - $16.99
    Current price $16.99

    API Tap Water Conditioner - 32 oz

    API

    Concentrated aquarium water conditioner. Instantly removes chlorine and detoxifies heavy metals from tap water. Safe for all aquarium life. One tea...

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    Original price $22.24
    Original price $22.24 - Original price $22.24
    Original price $22.24
    Current price $16.99
    $16.99 - $16.99
    Current price $16.99
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  • API Stress Zyme Plus - 4 oz (Treats 240 Gallons) - Giftscircle
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    Original price $7.28
    Original price $7.28 - Original price $7.28
    Original price $7.28
    Current price $6.17
    $6.17 - $6.17
    Current price $6.17

    API Stress Zyme Plus - 4 oz (Treats 240 Gallons)

    API

    Contains 300 million live bacteria per teaspoonful. Helps clean an aquarium by eliminating sludge build-up. Prevents ammonia & nitrite poisonin...

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    Original price $7.28
    Original price $7.28 - Original price $7.28
    Original price $7.28
    Current price $6.17
    $6.17 - $6.17
    Current price $6.17
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  • API Tap Water Conditioner - 1 Gallon - Giftscircle
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    Original price $70.66
    Original price $70.66 - Original price $70.66
    Original price $70.66
    Current price $43.09
    $43.09 - $43.09
    Current price $43.09

    API Tap Water Conditioner - 1 Gallon

    API

    Concentrated aquarium water conditioner. Instantly removes chlorine and detoxifies heavy metals from tap water. Safe for all aquarium life. One tea...

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    Original price $70.66
    Original price $70.66 - Original price $70.66
    Original price $70.66
    Current price $43.09
    $43.09 - $43.09
    Current price $43.09
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  • API Aquarium Start Up Pack - 1 oz - 2 Bottles - Giftscircle
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    Original price $6.68
    Original price $6.68 - Original price $6.68
    Original price $6.68
    Current price $6.07
    $6.07 - $6.07
    Current price $6.07

    API Aquarium Start Up Pack - 1 oz - 2 Bottles

    API

    Its important to treat your water before adding fish. This convenient kit contains Stress Coat and Quick Start to get your new aquarium started in ...

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    Original price $6.68
    Original price $6.68 - Original price $6.68
    Original price $6.68
    Current price $6.07
    $6.07 - $6.07
    Current price $6.07
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  • API Stress Zyme Plus - 32 oz (Treats 1,880 Gallons) - Giftscircle
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    Original price $40.38
    Original price $40.38 - Original price $40.38
    Original price $40.38
    Current price $31.48
    $31.48 - $31.48
    Current price $31.48

    API Stress Zyme Plus - 32 oz (Treats 1,880 Gallons)

    API

    Contains 300 million live bacteria per teaspoonful. Helps clean an aquarium by eliminating sludge build-up. Prevents ammonia & nitrite poisonin...

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    Original price $40.38
    Original price $40.38 - Original price $40.38
    Original price $40.38
    Current price $31.48
    $31.48 - $31.48
    Current price $31.48
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