FREE Hoodie with orders over $299 - Learn More

Gravity

SORT:
VIEW: 32/64
26 items found. Showing items 1 to 26 .
  • 1

    …standard of Parts Per Thousand of saturated salt. This is the oldest of the 3 seawater measurements scales S.G. - The current standard of Specific Gravity hydrometers and refractometers. The Milwaukee Instruments MA887 digital refractometer is easy to calibrate and easy to read and provides highest…

    $124.99 Regular Price: $

    Use the Water Valve from Tunze to connect to the Tunze Osmolator - the water valve replaces the pump with an electrically operated solenoid. Use it to control the flow of water from a tube rather than pumping it from a container like gravity-fed auto top off system. Max Water Pressure - 145 PSI (10…

    $89.99 Regular Price: $

    …maintenance down to bare minimums. Adjustable Speed Magnetic Stirrer Push-Connect Fittings Made of PVC and Acrylic Quick-Fill Cap For Adding Kalk Gravity Drain System For Consistent Doses Sealed Environment Keeps the Kalkwasser Potent Perfect for Reef Tanks Up To 100 Gallons The Kalkwasser powder is…

    $269.99 Regular Price: $

    CaribSea’s LifeRock Reef Tree kit provides the materials you need to create incredible aquascapes faster and easier than you would have thought possible. Wow your friends and family with rockscapes that turn natural-looking reef rock into gravity-defying, awe-inspiring structures. Don't worry…

    $199.99 Regular Price: $

    …55.0 or Specific Gravity: 1.000 - 1.042 or PPT: 0.0 - 105.0 Temperature Range - 1 – 99° C / 33° F - 210° F Salinity Resolution:PSU - 0.1 orSpecific Gravity: 0.001 orPPT: 0.1 Temperature Resolution - 0.1° C / 0.1° F Salinity Accuracy -PSU: ±2.0 orSpecific Gravity:

    $69.99 Regular Price: $

    …battery life Easily cycle between the three common salinity measurements: ppt - parts per thousand PSU - practical salinity units S.G. - specific gravity Range 0.0 to 70.0 ppt (g/L) 0.0 to 70.0 PSU 1.000 to 1.041 S.G. Resolution 0.1 ppt (g/L) 0.1 PSU 0.001 Accuracy (@25ºC/77ºF) ±1…

    $69.00 Regular Price: $

    …adjustments. Three Sizes Available: 55 Gallon Mix* - Bucket 175 Gallon Mix* - Bucket 200 Gallon Mix* - Bulk Sack *When mixed to 1.021 specific gravity. Unlike the natural reef environment, which has an immeasurable reservoir of all 57 elements, a reef aquarium is an artificial environment that is…

    $29.99 Regular Price: $
    Choose Options

    …provides an exact and reliable measurement of specific gravity, and it never needs to be re-calibrated, so it's a perfect reference device for calibrating other equipment. High precision hydrometer for determining the specific gravity in aquariums Maximum deviation: 0.001 at 77° F (25°…

    $31.25 Regular Price: $
    Out of Stock

    …use specific gravity for reading Tropic Marin Bio-Actif Salt. When you have added almost all of the salt and the mixture is fully dissolved, start measuring the specific gravity with a refractometer or similar instrument. Keep adding small amounts of salt until the specific gravity is the value you…

    $46.73 Regular Price: $
    Choose Options

    …in keeping your calcium and alkalinity levels steady. Some reactors require on a pressurized chamber where the Avast reactors do not. They rely on gravity draining, which is much safer and reliable. Pressurized reactors are prone to leaks which can easily damage and stain floors, which makes the K1…

    $229.99 Regular Price: $

    Precise & Reliable Specific Gravity Readings in any Lighting Conditions! Refractometers are a must-have piece of equipment for any aquarists! Easily and accurately measure the salinity of your tank and with the built-in LED light, your readings will be consistent no matter the type of ambient…

    $39.99 Regular Price: $
    Choose Options

    …the mixture is fully dissolved and clear, start measuring the specific gravity with a refractometer or similar instrument. Keep adding small amounts of salt until the specific gravity is the value you desire. The specific gravity of the sea salt solution should range from 1.025 to 1.027 (at 73-77…

    $40.95 Regular Price: $
    Choose Options

    …is clear and test the specific gravity of the solution. Add salt or water as needed to meet your desired salinity. To mix by weight - Add approximately 1lbs of HW Reefer Salt every 3.6 gallons of RODI water. Let it mix until it is clear and test the specific gravity of the solution. Add salt or…

    $69.99 Regular Price: $

    …tropical reef waters. Contains USP- and ACS Reagent-grade ingredients. 134 g per 1 US-gallon (3.785 L) of purified water yields a specific gravity of ~1.025 g/cm3, with a pH of ~8.30 and alkalinity of ~7.5 dKH. Manufactured by Brightwell Aquatics in their own production facility (not outsourced)…

    $73.99 Regular Price: $
    Out of Stock

    …the mixture is fully dissolved and clear, start measuring the specific gravity with a refractometer or similar instrument. Keep adding small amounts of salt until the specific gravity is the value you desire. The specific gravity of the sea salt solution should range from 1.025 to 1.027 (at 73-77…

    $43.17 Regular Price: $
    Choose Options

    …maintenance down to bare minimums. Adjustable Speed Magnetic Stirrer Push-Connect Fittings Made of PVC and Acrylic Quick-Fill Cap For Adding Kalk Gravity Drain System For Consistent Doses Sealed Environment Keeps the Kalkwasser Potent Perfect for Reef Tanks Up To 200 Gallons The Kalkwasser powder is…

    $329.99 Regular Price: $

    …in keeping your calcium and alkalinity levels steady. Some reactors require on a pressurized chamber where the Avast reactors do not. They rely on gravity draining, which is much safer and reliable. Pressurized reactors are prone to leaks which can easily damage and stain floors, which makes the K2…

    $279.99 Regular Price: $
    Out of Stock

    …holds up to 2 liters of fluid for a total storage volume of 4 liters Connects directly to yourDOS dosing system Engineered with a low center of gravity to help avoid tips and spills Optical sensors provide real-time fluid levels to the Apex Fusion dashboard Easily removable lids to make refills a…

    $199.95 Regular Price: $

    …conditioning drain pan applications Don’t use in heavy duty applications like sewage pumps. Great for water. Check your fluid's specific gravity. The wires complete a circuit when the float is down. You can reverse the operation by removing the clip, turning the float upside down and replacing…

    $15.99 Regular Price: $

    …To achieve a salinity level of 35 ppt, dissolve one half cup for every gallon of water in a container, stirring continuously. The specific gravity of the solution should be 1.025 to 1.027 at a temperature of 77 °F. The prepared saltwater can be used as soon as the salt is fully dissolved.…

    $48.99 Regular Price: $
    Choose Options

    …adjustments. Three Sizes Available: 55 Gallon Mix* - Bucket 175 Gallon Mix* - Bucket 200 Gallon Mix* - Bulk Sack *When mixed to 1.021 specific gravity. Element Levels @ 35.5 PPT pH: 8.2 - 8.4 Alkalinity: 7.8 - 8.2 DKH Calcium: 420 - 440 mg/l Magnesium: 1250 - 1310 mg/l Potassium: 380 - 400 mg/l…

    $28.99 Regular Price: $
    Choose Options

    …come into contact with invertebrates. Wait for each spoonful to dissolve completely before adding the next. Check the aquarium waters specific gravity on a regular basis as this may gradually increase over time with the addition of Tropic Marin Bio-Magnesium. This is easily counteracted with regular…

    $15.84 Regular Price: $
    Choose Options

    …maintenance down to bare minimums. Adjustable Speed Magnetic Stirrer Push-Connect Fittings Made of PVC and Acrylic Quick-Fill Cap For Adding Kalk Gravity Drain System For Consistent Doses Sealed Environment Keeps the Kalkwasser Potent Perfect for Reef Tanks Up To 300+ Gallons The Kalkwasser powder…

    $379.99 Regular Price: $

    CaribSea’s South Sea’s Coral Tree kit provides the materials you need to create incredible aquascapes faster and easier than you would have thought possible. Wow your friends and family with rockscapes that turn natural reef rock into gravity-defying, awe-inspiring structures. The Coral…

    $159.99 Regular Price: $

    …more soluble as water temperature and salinity decreases; therefore, curing is faster and easier at lower temperatures and salinities. We suggest while curing to try to keep water at about 72 73 f and 1.020 1.021 specific gravity. What's Included? 1x 2 ounce Live Rock Enhance 1x Measuring Scoop

    $18.00 Regular Price: $20.00

    CaribSea’s LifeRock Coral Tree kit provides the materials you need to create incredible aquascapes faster and easier than you would have thought possible. Wow your friends and family with rockscapes that turn natural-looking reef rock into gravity-defying, awe-inspiring structures. The Coral…

    $212.99 Regular Price: $
  • 1