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    …Aquatics Reef Code B will increase the alkalinity in 1 US-gallon (3.785 L) of water by approximately 2.22 dKH (0.79 meq/L). If the initial alkalinity in the aquarium is below 7 dKH (2.5 meq/L), add this product at the maximum rate of 5 ml per 10 US-gallons daily until the desired alkalinity…

    Starting at:
    $6.99

    …of minutes and when it is finished the results are printing out on a large LCD display that is clear and easy to read.   HI772 Marine Alkalinity (dKH) Checker Simple, easy, and accurate the Hanna HI772 Alkalinity Checker is our top choice for an alkalinity test kit. If we were to suggest testing…

    $255.00

    …spot analysis. Single-button operation: Zero and Measure Operated by a single AAA battery.   Specifications: Range: 0.0 to 20.0 dKH Resolution: 0.1 dKH Precision: ±0.3 dKH ±5% of reading Light Source: LED @ 610 nm Light Detector: Silicon photocell Environment: 0 to 50°C (32 to 122°F); RH max 95%…

    $49.95

    …suggest raising your daily dose by 10% per day.    Example for 100-gallon aquarium: Alkalinity Level Day 1 @ 8pm - 9.0 dKH (desired level) Alkalinity Level Day 5 @ 8pm - 7.5 dKH (current level) 5-Day Alkalinity Requirement - 107.1 mL (provided by BRS Reef Calculator) Daily Alkalinity Requirement -…

    Starting at:
    $7.49

    …in the aquarium: A - Calcium chloride dihydrate (part A): 400 – 450 mg/l (ppm) Ca B - Sodium carbonate/sodium bicarbonate (part B): 6 – 9° dKH C - Sodium chloride free sea salt (part C): 1250 – 1400 mg/l Mg; 375 – 400 mg/l K   What's Included? 1 kg (2.2lbs) Tropic Marin Original Balling…

    $16.02

    …volume, until a constant carbonate hardness of 7 to 9 °dH is reached.   Do not exceed a maximum daily dose of 25 ml of All-For-Reef per 100 liters (26 US-gal) of aquarium system volume.   ALL-FOR-REEF Contains: (per 500 mL) 20,000 mg Calcium 950 mg Magnesium 390 mg Strontium 2,800 dKH 17 mg Iodine

    Starting at:
    $12.90

    Concentrated liquid alkalinity solution to help increase your tanks dKH level without increasing any other elements concentration. Two Sizes Available: 150 mL 2000 mL   Alkalinity is an essential part of calcification and coral growth. Corals skeletons are dependent on having ample calcium and…

    Starting at:
    $9.99

    …pending design, the KH Director utilizes lab grade quality test standards to provide precise results every time. Lab-grade KH measurement with 0.1° dKH accuracy Adjustable test sample volume Measurements per day adjustable KH value display capabilities* Higher accuracy and safety provided by…

    $849.90

    Easily calibrate and test proper functionality of your Hanna Checker HI772 Alkalinity (DKH) for fresh and marine water. Contains Standard A and Standard B Follow instructions in packaging Includes certificate of analysis Reusaable with long shelf life Hanna Checker Instructions for Marine Alkalinity…

    $20.00

    …reef aquariums Does not contain unwanted nitrates or phosphates   Two Sizes Available: 80 Gallon Mix 200 Gallon Mix   Parameters: Alkalinity - 9-10 dKH (approx) Calcium - 380 ppm (approx) Magnesium - 1260 ppm (approx)   Instructions: We suggest starting with 1/2 Cups of Tropic Marin Sea Salt Classic…

    Starting at:
    $40.95

    …the daily dose by monitoring the alkalinity. Increase the dose by 2.5 ml per 100 liters until a constant alkalinity of 7-9 dKH is achieved.    Maximum daily dose - 25 ml of Tropic Marin Carbo-Calcium per 100 liters.   Tropic Marin Carbo-Calcium Contains: (per 1000 mL) 40,000 Calcium 5,600 dKH

    Starting at:
    $16.47

    …suggest raising your daily dose by 10% per day.    Example for 100-gallon aquarium: Alkalinity Level Day 1 @ 8pm - 9.0 dKH (desired level) Alkalinity Level Day 5 @ 8pm - 7.5 dKH (current level) 5-Day Alkalinity Requirement - 107.1 mL (provided by BRS Reef Calculator) Daily Alkalinity Requirement -…

    $23.99

    …in the aquarium: A - Calcium chloride dihydrate (part A): 400 – 450 mg/l (ppm) Ca B - Sodium carbonate/sodium bicarbonate (part B): 6 – 9° dKH C - Sodium chloride free sea salt (part C): 1250 – 1400 mg/l Mg; 375 – 400 mg/l K   What's Included? 1 kg (2.2lbs) Tropic Marin Original Balling…

    $10.68

    …sea salt (part C): 3350 mg/l Mg; 980 mg/l K   Recommended concentration in the aquarium: A - Calcium chloride dihydrate (part A): 400 – 450 mg/l (ppm) Ca B - Sodium carbonate/sodium bicarbonate (part B): 6 – 9° dKH C - Sodium chloride free sea salt (part C): 1250 – 1400 mg/l Mg; 375 – 400 mg/l K

    $39.34

    …Test Kit. Maintaining proper alkalinity and pH in your reef tank is key to a successful reef tank.   Each kit includes: 100 pH tests 55 kH tests   Red Sea Alkalinity Accuracty: 1 dKH / 0.36 meq/L Range: 0 - ∞ Test Type: Titrator   Red Sea pH Accuracy: .2 Range: 7.6 - 8.6 Test Type: Colormetric

    $18.99

    …Basic KH Kit produces a very distinct change when the proper amount of reagent has been added. Measurement Range of 1 - 20 dKH Accuracy of 0.5 or 1 dKH Up to 100 tests @ 1 dKH resolution Conversion Table Included   Instructions: Shake the bottles before use! Rinse out the glass cuvette with tap…

    $12.12

    …nice and clean for consistent results.  The Hanna Alkalinity Checker does give readings in Parts per Million, which can easily be converted to DKH or meq/L. Three simple steps to results. The Hanna Alkalinity Checker bridges the gap between simple chemical test kits and professional instrumentation.…

    $49.95

    …10 US gall./36 l by approximately 28 ppm and the alkalinity by 4 dKH.   Natural seawater contains approximately 410 ppm calcium and 6.5 dKH alkalinity. You should not exceed a calcium level of 440 ppm and an alkalinity of 8 dKH due to the possibility of supersaturation and subsequent precipitation…

    Starting at:
    $11.30

    Red Sea Foundation B is a component of the Red Sea Reef Foundation program for healthy and vibrant corals. Red Sea Foundation B is a complex of carbonate and other buffers found in seawater that sustain the proper alkalinity.   1 kg Powder Alkalinity Supplement   Once mixed into solution: 1 mL…

    $22.99

    …system volume. Increase the daily dose by monitoring the alkalinity. Increase the dose by 2.5 ml per 100 liters until a constant alkalinity of 7-9 dKH is achieved.    Note: In larger systems, Carbo-Calcium Powder can be added directly to a high flow area of your tank without any pre-mixing.  …

    Starting at:
    $19.14

    …alkalinity in 1 US-gallon (3.785 L) of water by ~2.1 dKH (0.75 meq/L). [Reference: Each g of REEF CODE B-P will increase the alkalinity in 1 US-gallon (3.785 L) of water by ~8.3 dKH (3 meq/L).] If initial alkalinity in the aquarium is below 7 dKH (2.5 meq/L), add stock sol’n at maximum rate of 10 ml…

    Starting at:
    $11.49

    …two-part reagent system allows for more precise reading than competitors while holding a tight range of error.  Measurement Range of 01. - 20 dKH Accuracy of 0.1 dKH Up to 100 tests @ 0.2dKH resolution or 50 tests @ 0.1dKH resolution Conversion Table Included     Instructions: Shake the bottles…

    $21.81

    …Care Test Kit Contents Test NameElement# of TestsAccuracyRangeTest Type Ammonia NH3/NH4 100 ±.1ppm 0-2ppm Colorimetric Nitrate NO3 100 ±1ppm 0-250ppm Colorimetric Nitrite NO2 60 ±.025ppm 0-1pppm Colorimetric pH pH 100 ±.1ppm 7.6-8.6 Colorimetric Alkalinity dKH 55 1 dKH/0.36 meq/L 0-∞ Titration

    $56.99

    …aquarium is getting some of the purest additives available.   Instructions: (8.4 grams of Triton Alkalinity Increaser will increase 25 gallons by 0.56 dKh or 10ppm) Test your aquariums alkalinity level, and determine the amount of Alkalinity Increaser needed to dose to your aquarium, and dissolve it…

    $52.00

    …in the aquarium: A - Calcium chloride dihydrate (part A): 400 – 450 mg/l (ppm) Ca B - Sodium carbonate/sodium bicarbonate (part B): 6 – 9° dKH C - Sodium chloride free sea salt (part C): 1250 – 1400 mg/l Mg; 375 – 400 mg/l K   What's Included? 1 kg (2.2lbs) Tropic Marin Original Balling…

    $14.24

    …laboratories across Europe Makes approx. 160 gallons (600 L) of salt water   Specifications: (when mixed to 35ppt) pH - 8.1-8.3 Alkalinity - 8.7-9.7 dKH Potassium - 385-420 mg/l Calcium - 400-440 mg/l Magnesium - 1240-1320 mg/l Chloride - 18700-20000 mg/l   hw-Marinemix is produced under strict…

    $65.99

    …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   The new formula of Red Sea Salt is the product of years of research…

    Starting at:
    $26.99

    …without having to worry about settling or caking. The 50-gallon mix comes with ten individual 5-gallon mix pouches, and the 200-gallon mix includes four 50 gallon mix bags.   Parameters at 1.026 (35ppt) Calcium - 420mg/L Magnesium - 1300mg/L Alkalinity - 8 dKH Strontium - 8 mg/L Potassium - 400 mg/L

    Starting at:
    $26.99

    …maintaining nutrients as well as major, minor and trace elements.    Dosing Recommendation:  Maximum 1 ml per 25 gallons daily. Test regularly and adjust dosing as needed. Korallen-Zucht recommends maintaining Carbonate Hardness (Alkalinity) between 6.5 & 7.5 dKH when using the ZEOvit System.    

    $21.89

    …pending design, the KH Director utilizes lab grade quality test standards to provide precise results every time. Lab-grade KH measurement with 0.1° dKH accuracy Adjustable test sample volume Measurements per day adjustable KH value display capabilities* Higher accuracy and safety provided by…

    $849.90

    …Na – 10500-10600 mg/l Mg – 1300-1380 mg/l S – 840-890 mg/l Ca – 410-440 mg/l K – 380-400 mg/l F – 1.2-1.3 mg/l Fe – 0.08-0.09 mg/l Sr – 7-9 mg/l dKH – 7.4-8.2 pH – 7.8-8.2     Mixing Instructions: Dissolve salt with RO/DI water in a clean container. To achieve a salinity of 33 ppt, we suggest…

    Starting at:
    $36.99

    …suggest raising your daily dose by 10% per day.    Example for 100-gallon aquarium: Alkalinity Level Day 1 @ 8pm - 9.0 dKH (desired level) Alkalinity Level Day 5 @ 8pm - 7.5 dKH (current level) 5-Day Alkalinity Requirement - 214.2 mL (provided by BRS Reef Calculator) Daily Alkalinity Requirement -…

    $7.49