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    …to any aquarium with Eshopps PF series of hang on back overflows. Adding a sump to a tank will allow you to hide equipment and while adding water volume making your tank more stable. Traditional overflows require you to drill holes in your aquarium where Eshopps PF HOB overflows use a siphon to draw…

    $140.99

    …Clear body with a white plunger for high contrast readings   1 mL Scale: Max Volume: 1.0 mL Min Volume: 0.1 mL Graduation Markings: 0.1 mL   5 mL Scale: Max Volume: 5.0 mL Min Volume: 1.0 mL Graduation Markings: 0.5 mL   10 mL Scale Max Volume: 10.0 mL Min Volume: 1.0 mL Graduation Markings: 0.5 mL

    Starting at:
    $3.99

    …respectively All non-conservative minor and trace elements found in seawater Sufficient salt to reconstitute purified water of the stated package volume to 1.025 g/cm3 Our commitment that this salt blend is the best you have ever used  What’s not in NēoMarine: Anti-caking agents Vitamins, amino…

    $73.99

    …period. To determine the daily dosing rate (preferable to weekly dosing) for iron maintenance: estimate the volume of water in the entire aquarium system; multiply this number by the volume of water in the system to get the daily dosage required (ml) to maintain a stable [Fe3+]. Daily dosing…

    Starting at:
    $5.79

    …alkalinity. To determine the daily dosing rate for calcium maintenance: estimate the volume of water in the entire aquarium system; divide the daily decrease in [Ca2+] by 16; multiply this number by the volume of water in the system to get the daily dosage required (ml) to maintain a stable [Ca2+].…

    Starting at:
    $6.99

    …rate for alkalinity maintenance: estimate the volume of water in the entire aquarium system; divide the daily decrease in alkalinity by 2.22 (when measuring alkalinity by dKH; divide by 0.79 when measuring by meq/L); multiply this number by the volume of water in the system to get the daily dosage…

    Starting at:
    $6.99

    …dosing rate (preferable to weekly dosing) for strontium maintenance: estimate the volume of water in the entire aquarium system; divide the daily decrease in [Sr2+] by 8; multiply this number by the volume of water in the system to get the daily dosage required (ml) to maintain a stable [Sr2+].…

    Starting at:
    $6.99

    …daily dosing rate (preferable to weekly dosing) for potassium maintenance: estimate the volume of water in the entire aquarium system; divide the daily decrease in [K+] by 21; multiply this number by the volume of water in the system to get the daily dosage required (ml) to maintain a stable [K+].…

    Starting at:
    $6.99

    …the daily dosing rate (preferable to weekly dosing) for boron maintenance: estimate the volume of water in the entire aquarium system; divide the daily decrease in [B] by 1.5; multiply this number by the volume of water in the system to get the daily dosage required (ml) to maintain a stable [B].…

    Starting at:
    $4.99

    …separate quarantine tank, if possible. Remove carbon, clean outside filter and return to use with clean mechanical filter media. Calculate the actual volume of water to be treated, taking into consideration the displacement of water by sand and rock. Add 1 teaspoon of Malachite Green per 10 gallons…

    $6.99

    …levels along with your total system water volume. Choose BRS Liquid Magnesium Mix (New Pharma Pouch) option from the drop-down menu and select calculate. The result will be how much magnesium solution you will need to add to raise your aquariums water volume to the desired level. We suggest adding…

    $23.99

    …levels along with your total system water volume. Choose BRS Liquid Magnesium Mix (New Pharma Pouch) option from the drop-down menu and select calculate. The result will be how much magnesium solution you will need to add to raise your aquariums water volume to the desired level. We suggest adding…

    $23.99

    …levels along with your total system water volume. Choose BRS Liquid Magnesium Mix (New Pharma Pouch) option from the drop-down menu and select calculate. The result will be how much magnesium solution you will need to add to raise your aquariums water volume to the desired level. We suggest adding…

    $99.99

    …When fishless cycling, reduce the calculated water volume by about 20% to account for water displaced by substrate and decorations. For example, if you have a 30 gallon tank subtract 6 gallons (20%) so figure 24 gallons as the final volume. Don't overdose ammonia; this is not helpful. When adding…

    Starting at:
    $32.94

    …  Pentair Aquatics UV Sterilizers are superior in the following ways: Sterilizers are accurately sized based on contact time, flow rate and tank volume to achieve realistic results. Suggested sizes are based on end of bulb life to ensure continuous results Suggested flow rates factor in the water…

    $379.99

    …  Pentair Aquatics UV Sterilizers are superior in the following ways: Sterilizers are accurately sized based on contact time, flow rate and tank volume to achieve realistic results. Suggested sizes are based on end of bulb life to ensure continuous results Suggested flow rates factor in the water…

    $399.99

    …  Pentair Aquatics UV Sterilizers are superior in the following ways: Sterilizers are accurately sized based on contact time, flow rate and tank volume to achieve realistic results. Suggested sizes are based on end of bulb life to ensure continuous results Suggested flow rates factor in the water…

    $739.99

    …  Pentair Aquatics UV Sterilizers are superior in the following ways: Sterilizers are accurately sized based on contact time, flow rate and tank volume to achieve realistic results. Suggested sizes are based on end of bulb life to ensure continuous results Suggested flow rates factor in the water…

    $779.99

    …will fit into a reactor. It's extremely hard and has less dust to begin with. Fewer fines will be created during use and transportation. By volume High Capacity GFO will remove roughly twice the phosphate compared to Granular GFO. Best overall performance.   Special note on fighting existing…

    Starting at:
    $22.99

    …resealable via a featured zipper lock. Keep in mind this won't be as good as the original seal so we recommend them only for reefers who need a high volume of DI Resin. Otherwise, purchase the single refill packs for optimal freshness up to two years.   To get maximum life from your DI resin please…

    Starting at:
    $13.99

    …resealable via a featured zipper lock. Keep in mind this won't be as good as the original seal so we recommend them only for reefers who need a high volume of DI Resin. Otherwise purchase the single refill packs for optimal freshness up to two years.   To get maximum life from your DI resin please…

    Starting at:
    $11.99

    …will give bacteria more surface area to grow and thrive on. How much sand do I need? BRS suggests 1 pound of sand per 2 gallons of display tank volume on average.   Below is a table of common tank sizes and how many pounds of Oolite Sand is required to achieve a certain depth. Results may vary…

    Starting at:
    $23.99

    …bacteria more surface area to grow and thrive on.   How much sand do I need? BRS suggests 1 pound of Fiji Pink sand per 2 gallons of display tank volume on average.   Below is a table of common tank sizes and how many pounds of Fiji Pink sand is required to achieve a certain depth. Results may vary…

    Starting at:
    $23.99

    …bacteria to assist with a faster cycle Grain size: 1-2mm High Surface Area for Bacteria   BRS suggests 1 pound of sand per 2 gallons of display tank volume on average   Caribsea's Arag-Alive! Live Reef Sand is a great choice for new aquarists and new reef tank setups. Arag-Alive sands clear quickly…

    Starting at:
    $23.99

    …will give bacteria more surface area to grow and thrive on.   How much sand do I need?  BRS suggests 1 pound of sand per 2 gallons of display tank volume on average.   Below is a table of common tank sizes and how many pounds of Hawaiian Black Sand is required to achieve a certain depth. Results may…

    Starting at:
    $23.99

    …system technology which maximizes the availability of the critical catalytic sites. The combination of advanced carbon technology, increased volume of carbon contained in each filter and proprietary manufacturing processes delivers exceptionally high chloramine, chlorine, VOC and general chemical…

    $30.99

    …kit to ensure that the mass of media being employed is suitable for the system requirements. A flow-through rate of 1 - 3x the total aquarium volume per hour is recommended. Do not fluidize; fluidization serves to decrease filtration efficiency and may cause gradual deterioration of the material,…

    Starting at:
    $35.99

    …Grain size: 0.5 - 5.0mm High Surface Area for Bacteria Wide variety of particle size BRS suggests 1 pound of sand per 2 gallons of display tank volume on average   Caribsea's Arag-Alive! Live Reef Sand is a great choice for new aquarists and new reef tank setups. Arag-Alive sands clear quickly and…

    Starting at:
    $38.99

    …Grain size: 3.0 - 5.0mm High Surface Area for Bacteria Largest variety of particle size   BRS suggests 1 pound of sand per 2 gallons of display tank volume on average   Caribsea's Arag-Alive! Live Reef Sand is a great choice for new aquarists and new reef tank setups. Arag-Alive sands clear quickly…

    $38.99

    …system technology which maximizes the availability of the critical catalytic sites. The combination of advanced carbon technology, increased volume of carbon contained in each filter and proprietary manufacturing processes delivers exceptionally high chloramine, chlorine, VOC and general chemical…

    $61.99

    …little extra sand to make sure you have enough on hand when you are filling your tank.    BRS suggests 1 pound of sand per 2 gallons of display tank volume on average    Common Tank Sizes Dimension 1" Depth 2" Depth 3" Depth 10 Gallon 20x10x12 10.4 lbs 20.8 lbs 31.3 lbs 20 Gallon 24x12x16 15.0 lbs…

    $49.99

    …Grain size: 1.0 - 2.0mm High Surface Area for Bacteria Largest variety of particle size BRS suggests 1 pound of sand per 2 gallons of display tank volume on average CaribSea Aragonite Dry Sands are great for new tanks or adding sand to currently established tanks. Special Grade Sand is ideal for…

    $49.99