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    …as iodine, lithium, manganese, etc. that can be depleted rapidly in household aquariums as corals and invertebrates grow. Tropic Marin Pro-Coral K+ and Pro-Coral A- are formulated to replenish those elements in an easy to dose balanced, liquid additive. When trace element levels start to get low…

    $11.93 Regular Price: $

    Essential Anionic Trace Element Supplement for Reef Aquariums Dose with Pro-Coral K- Trace 2 For the best results!   Three Sizes Available: * 200 mL * 500 mL * 1000 mL   In the ocean, there are tiny amounts of essential trace elements such as…

    $11.93 Regular Price: $

    ZEOvit System Guide KZ Product Guide   Finally, an easy low-cost way to add some of your favorite Zeovit additives to your aquarium! Simply place the Automatic Element in a high flow area of your sump, reactor, or filter, and it will dissolve over time, slowly releasing the…

    $25.99 Regular Price: $

    Connects Kessil A360X lights to each other or to the Spectral Controller X The Kessil 90 Degree K-Link cable will work with the new X series Kessil LED lights. One of the ends of the cable has a 90-degree connection, requiring minimal clearance around the control port. The other end has a…

    $25.00 Regular Price: $

    …system. Kit Contains * 75 ml Component A * 75 ml Component B * 75 ml Component C * 75 ml Component K   The Component Strong A, B, C, k system works in harmony with other Aquaforest additives and the probiotic method. It is recommended to use them in…

    $28.99 Regular Price: $

    ZEOvit System Guide KZ Product Guide   Potassium is one of the major elements in seawater and natural levels are very similar to calcium levels, 380-410mg/liter. While not consumed as quickly as calcium, it is important to maintain appropriate levels to achieve ideal coral…

    $23.99 Regular Price: $

    ZEOvit System Guide KZ Product Guide   Potassium is one of the major elements in seawater and natural levels are very similar to that of calcium levels, 380-410mg/liter. While not consumed as quickly as calcium, it is important to maintain appropriate levels to achieve ideal…

    $18.99 Regular Price: $

    Our favorite all-around test kits are the red sea kits.  With easy to follow directions, and consistent results, we always have a Red Sea Potassium Pro test kit in our testing closet.  With almost all potassium test kits they take a bunch of time to complete and can be a bit difficult to…

    $52.99 Regular Price: $

    …I2 50 ±.03 ppm 0 - .09 ppm Colorimetric Potassium K 40 ±12 ppm 150 - 450 ppm Titration Iron …

    $69.99 Regular Price: $

    …continually. * Step 3: Add 12g Bio-Magnesium powder, stir continually. * Step 4: Add 100 ml Pro-Trace A- * Step 5: Add 100 ml Pro-Trace K+ * Step 6: Keep stirring. It can take some time for the solution to be clear. Estimate ~20 mins. Solution will be a tint of blue, this is…

    $100.82 Regular Price: $

    …continually. * Step 3: Add 12g Bio-Magnesium powder, stir continually. * Step 4: Add 100 ml Pro-Trace A- * Step 5: Add 100 ml Pro-Trace K+ * Step 6: Keep stirring. It can take some time for the solution to be clear. Estimate ~20 mins. Solution will be a tint of blue, this is…

    $112.83 Regular Price: $

    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

    $14.24 Regular Price: $

    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

    $10.68 Regular Price: $

    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

    $16.02 Regular Price: $

    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 Regular Price: $

    …Riboflavin, Vitamin A Supplement, Thiamine Mononitrate, Pyridoxine Hydrochloride, Niacin, Menadione Sodium Bisulfite Complex (Source Of Vitamin K activity), Folic Acid, Vitamin D3 Supplement, Biotin, Vitamin B12 Supplement, Ferrous Sulfate, Magnesium Sulfate, Zinc Sulfate, Manganese Sulfate,…

    $11.49 Regular Price: $

    …dissolved in 27 US gal raises Ca by 9 mg). Component 2+ contains: NaHCO3, F, I. (50mL dissolved in 27 US gal raises KH by 1.3 dKH) Component 3+ contains: Mg, Reef Mineral Salt, K and B. (50mL dissolved in 27 US gal raises Mg by 0,6 mg).   Aquaforest Systems Guide

    $56.99 Regular Price: $
    Out of Stock

    …B), riboflavin, vitamin A supplement, thiamine mononitrate, pyridoxine hydrochloride, niacin, menadione sodium bisulfite complex (source of vitamin K activity), folic acid, vitamin D supplement, biotin, ferrous sulfate, magnesium sulfate, zinc sulfate, manganese sulfate, cobalt sulfate, copper…

    $7.49 Regular Price: $

    …supplement), vitamin B12 supplement, riboflavin-5-phosphate, niacin, d-calcium pantothenate, menadione sodium bisulfite complex,(source of vitamin K activity), folic acid, thiamine mononitrate, pyridoxine hydrochloride, biotin, L-ascorbyl-2-polyphosphate (source of vitamin C), manganese proteinate,…

    $6.79 Regular Price: $

    …the solution will increase the potassium concentration (“[K+]”) in 1 US-gallon (3.785 L) of water by 1.7 ppm. [Reference: Each g of Potassion-P will increase the [K+] in 1 US-gallon (3.785 L) of water by ~129 ppm.] If initial [K+] in the aquarium is below 399 ppm, add stock sol’n…

    $12.99 Regular Price: $

    …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+]. Daily dosing maintains a more stable [K+] (and more natural environment) than dosing weekly, in which the [K+] spikes just after dosing…

    $6.99 Regular Price: $

    …Overflow   CS50 Specifications: * Flow Rate: 300gph * Outflow Size: 3/4" Bulkhead * Width: 6" * Dimensions (see photo): A: 6.5", B: 7.5", C: 1.5", D:1.25", E: 3 7/8" , F: 4.75", G: 7.25", H: 5.5", I: 3.5", J: 2.75", K: 3"    Owners Manual

    $199.99 Regular Price: $

    …Flow Rate: 600 GPH * Outflow Size: 1" Bulkhead * Width: 7.25" * Dimensions (see photo): A: 7", B: 8.5", C: 1 3/8", D: 1.5", E: 4 3/8" , F: 5", G: 8.75", H: 5 7/8", I: 3 3/8", J: 2.75", K: 3.75"    Owners Manual  Selecting the Correct CPR Overflow

    $229.99 Regular Price: $

    …Flow Rate: 800 GPH * Outflow Size: 1" Bulkhead * Width: 9 3/8" * Dimensions (see photo): A: 7.5", B: 9", C: 1.75", D:1 3/8", E: 4.5" , F: 5 1/8", G: 9.25", H: 6", I: 3.25", J: 3 1/8", K: 3.75"    Selecting the Correct CPR Overflow  Owners Manual

    $249.99 Regular Price: $

    …CS102 Specifications: * Flow Rate: 1,200 GPH * Outflow Size: 2 x 1" Bulkheads * Width: 9 3/8" * Dimensions (see photo): A: 7 3/8", B: 8 7/8", C: 1 3/8", D: 1.5", E: 4 3/8" , F: 5 1/8", G: 9.25", H: 6", I: 3.25", J: 3 1/8", K: 3 5/8"    Owners Manual

    $264.99 Regular Price: $

    …Width: 9 3/8" * Dimensions (see photo): A: 9.5", B: 9.75", C: 1 7/8", D: 1.5", E: 6 1/8" , F: 5.75", G: 9.25", H: 6 7/8", I: 4", J: 3.5", K: 4 7/8"   Note: CS150 Overflow does not include slip screen, vent tube, or sponge.   Owners Manual  

    $274.99 Regular Price: $

    Wireless Control of Kessil A360X LED Lights Program your Kessil A360X Lights wirelessly! If you have a single light the WiFi Dongle will plug directly into the K-Link connector on top of the light's housing, which will let you connect directly to the light with any Android or iOS device. If you…

    $99.00 Regular Price: $

    …nutrients, NP-Bacto-Balance also contains the same trace elements of Tropic Marin K+ Elements in the same concentration. Up to a dosage of 0.75 mL NP-Bacto-Balance per 25 gallons per day a further supplement with 1 ml/25g K+ Elements can have a positive effect on the coloration of the corals. We…

    $14.49 Regular Price: $

    …Chloride, Lecithin, I-ascorbic acid 2-monophosphate (Vitamin C), Calcium Chloride, HexMetPhos, Vitamins (Vitamin A, Vitamin D3, Vitamin E, Vitamin K, Vitamin B12, Riboflaven, p-Panthothenic Acid, Biotin, BHT, Inositol), Minerals (Maganese, Zinc, Iron, Copper, Cobalt, Iodine, Selenium) …

    $7.99 Regular Price: $

    Kessil LED Light Control At Your Fingertips   Intuitive and Affordable Light Control Equipped with flawless touch control and a vivid color display, the Spectral Controller X is effortless light control at the touch of your fingertips. Its straightforward approach to light…

    $99.00 Regular Price: $

    Give your refugium the light it needs and start seeing the benefits in your display.   With the Kessil A360X Refugium LED Grow Light and the Kessil Gooseneck it's fast and easy to start growing buckets of macroalgae and controlling nutrients in your aquarium, resulting in less algae…

    $483.95 Regular Price: $

    …NeoNitro as directed on their labels, as necessary to bring them up to the proper level.   Guaranteed Analysis: * Potassium (K) as Soluble Potash (K2O) (min) 1.30% * Boron 0.009% * Carbon 0.005% * Calcium 0.14%  * Chlorine 0.39% * Cobalt…

    $11.99 Regular Price: $