Purigen™ controls ammonia, nitrites and nitrates by removing nitrogenous organic waste that would otherwise release these harmful compounds.

Purigen’s™ impact on trace elements is minimal. It significantly raises redox. It polishes water to unparalleled clarity.

Purigen™ darkens progressively as it exhausts, and is easily renewed by treating with bleach. Purigen™ is designed for both marine and freshwater use.

DIRECTIONS: Rinse before use. Use in a fine mesh filter bag. Each 1 L treats up to 4,000 L (1,000 gallons*) for up to six months. Exhaustion is indicated by a pronounced discoloration of the beads to dark brown or black.

Regeneration: Purigen will turn from its normal color to a deep brown when it is exhausted. Purigen can easily be regenerated by soaking it in a solution of hyperchlorite (generic) bleach overnight. The Purigen™will return to its original color. Then rinse well and dechlorinate using Prime™or Safe™to remove any chlorine. For freshwater, use a buffer to adjust the pH as needed due to bleach’s high pH.

Unlike competing products, the bacteria employed by Stability™ are non-sulfur fixing and will not produce toxic hydrogen sulfide. Stability™ is completely harmless to all aquatic organisms as well as aquatic plants, thus there is no danger of over use. Stability™ is the culmination of nearly a decade of research and development and represents the current state of the art in natural biological management.

It is designed primarily for freshwater use and is ideal for planted aquaria. It will safely raise pH with little danger of pH shock. It is compatible with all other Seachem pH products. A 250 g bottle treats 800 gallons.

Acid Buffer™ is designed primarily for freshwater use, is ideal for planted aquaria, and may be substituted for Discus Buffer™ wherever phosphate buffers may pose a problem, such as in high calcium waters or aquaria prone to undesirable algae growth. It is compatible with Discus Buffer™, Neutral Regulator™, and Alkaline Buffer™. It may be used to safely lower pH in marine water. A 250 g bottle treats 800 gallons.

It is completely compatible with Neutral Regulator™ and may be combined with it in fixed ratios to yield a preset pH. It is totally phosphate based and is free of carbonates. It will also soften the water by removing calcium, magnesium, and other divalent cations as precipitates. A 250gm bottle treats over 800 gallons. Freshwater use only.

Adjust water to the pH range 5.8 - 6.8.

250gm Size Treats over 800 gallons.

It contains all essential elements such as magnesium, calcium, potassium, sulfate, chloride, including trace elements such as iron, manganese, iodide. It does not include unnecessary or harmful constituents such as nitrates, phosphates, cadmium, lithium, arsenic. Specific dosing is suggested for lakes Tanganyika, Malawi, and Victoria. South and Central American Cichlids from alkaline waters will also benefit from the use of this salt.

The salt should be used with Seachem's Tanganyika Buffer or Malawi/Victoria Buffer. A 250gm bottle treats 160 Tanganyika gallons, 350 Malawi gallons, or 500 Victoria gallons.

It contains a natural carbonate buffer designed to enhance the natural environment of lake cichlids by increasing hardness, buffer capacity, and controlling pH at 9.2. A 250 g bottle treats 800–1600 gallons.

It contains a natural carbonate buffer designed to enhance the natural environment of cichlids by increasing the hardness and buffer capacity. It adjusts and maintains pH at 7.8 to 8.2. A 250 g bottle treats 800–1600 gallons.

It contains pure phosphate buffers for pH control and conditioners for chlorine, chloramine, and ammonia control. A 250 g bottle treats over 800 gallons. Freshwater use only. Adjusts pH level to neutral and maintains it. Softens and conditions the water.

250gm Size Treats over 800 gallons.

Reef Advantage Calcium is a non-caustic (ph 8.3-8.6) optimized blend of ionic calcium. It also includes magnesium & strontium in amounts proportionate to typical utilization ratios (100:5:0.1, Ca:Mg:Sr).This allows one to maintain these two important elements while maintaining calcium. Unlike limewater (kalkwasser), it does not have a caustic ph & will not deplete magnesium. Used as directed, it will not deplete alkalinity.

To prevent coral problems, you must provide calcium (Reef Advantage Calcium™) and carbonates (Reef Builder™ or Reef Carbonate™).

DIRECTIONS:
• BEGINNER: Use 1 level teaspoon per 150 L (40 gallons*) twice a week. Dissolve in at least one cup of freshwater. Check calcium every 2 weeks and adjust dose or frequency accordingly.
• ADVANCED: Check calcium level, then follow dosing regimen above until calcium is adjusted to 380–420 mg/L. Each dose will raise calcium by about 12 mg/L. Size or frequency of dose can be adjusted, but do not exceed 25 mg/L per day. Thereafter, use as required to maintain calcium.
• EXPERT: After determining the calcium consumption rate, set up a continuous drip system. Use the following formula to determine how much to add to your top-off water: t=0.002vc (t=teaspoons to add to top off water, v=volume of tank in gallons, c=amount to raise calcium in mg/L). For example, if you want to raise calcium by 25 mg/L in a 50 gallon* tank, then you would add 0.002x50x25=2.5 teaspoons into the top-off water.
• HINTS: If used with Reef Calcium™, it is not necessary to exceed 380 mg/L total calcium.

Use Reef Status™: Calcium to measure calcium.

DIRECTIONS:
• BEGINNER: Use 1 capful (5 mL) per 80 L (20 gallons*) twice a week. Check calcium every 2 weeks and adjust amount or frequency accordingly.
• ADVANCED: Check calcium level, then follow dosing regimen above until calcium is adjusted to 380–420 mg/L. Each capful will raise calcium by about 10 mg/L. Size or frequency of amount added can be adjusted, but do not exceed 25 mg/L per day. Thereafter, use as required to maintain calcium.
• EXPERT: After determining the calcium consumption rate, set up a continuous drip system. Use the following formula to determine how much to add to your top-off water: m=0.025vc (m=mL of product to add to top off water, v=volume of tank in gallons*, c=amount to raise calcium in mg/L). For example, if you want to raise calcium by 20 mg/L in a 50 gallon* tank, then you would add 0.025x50x20=25 mL into the top-off water.
• HINTS: If used with Reef Calcium™, it is not necessary to exceed 380 mg/L total calcium. Calcium over 400 mg/L is not recommended. Use Reef Status™: Calcium test kit to measure calcium.

DO NOT OVERDOSE: Excess calcium may enhance the loss of carbonate alkalinity. Do not directly mix with any carbonate supplement. Best if calcium & carbonate additives are added on alternate days or at least 30 minutes apart.

Guaranteed Analysis Amounts per 1 g
• Calcium (min) 155.0 mg
• Calcium (max) 160.0 mg
• Magnesium (min) 8.0 mg
• Strontium (min) 0.16 mg

Instructions: Add 1 level tsp. for each 20 gallons. Dissolve in at least 1 cup of freshwater. This dose will also raise the alkalinity by about 1 meg/L. Add daily until pH stabalizes at 8.3. This can take from a day to a week, depending on original pH and alkalinity. Thereafter, use biweekly or monthly to maintain a pH of 8.3.

DO NOT DIRECTLY MIX WITH CALCIUM, MAGNESIUM OR STRONTIUM SUPPLEMENT.

Use Seachem’s MultiTest: Marine pH & Alkalinity™ to check pH and total alkalinity.

Polygluconate complexation confers several benefits:
• It increases the bioavailability of the calcium.
• It provides a rich source of metabolic energy to help maintain peak coral growth.
• It inhibits calcium precipitation/alkalinity depletion.
• One side benefit includes enhancement of denitrification.

Reef Calcium may be used alone to maintain calcium but will provide enhanced levels of coral growth when used in conjunction with an ionic calcium supplement (Reef Complete, Reef Advantage Calcium, Reef Kalkwasser). Reef Calcium is intended to maintain calcium levels; if calcium becomes seriously depleted one should either perform a water change or use an ionic calcium supplement to restore the depleted level of calcium.

Each 100 mL treats up to 1,600 L (400 gallons).

Directions: Add 1 capful (5 mL) per 80 L (20 gallons) twice a week. You can increase the dose or frequency based on growth response but do not exceed 3 capfuls per 80 L (20 gallons) per day. Each dose will raise calcium by about 3 mg/L.

HINTS: Use the Reef Status™: Calcium test kit to measure calcium. It is not necesary to exceed 380 mg/L total calcium when using this product. Color and clarity may vary between lots.

Reef Builder ™ raises carbonate alkalinity without immediately impacting on pH. With long term use there will be a tendency to stabilize at pH 8.3. Used as directed, Reef Builder™ will not deplete calcium, magnesium, or strontium which usually tend to precipitate with increasing alkalinity.

Reef Builder™ and Reef Buffer™ may be used together. Use Reef Builder™ to raise carbonate alkalinity without affecting pH. Use Reef Buffer™ to raise carbonate alkalinity AND pH. 500 g treats 32,000 L (8,000 gallons).

Used as directed, Reef Carbonate™ will not deplete calcium, magnesium, or strontium which usually tend to precipitate with increasing alkalinity. Reef alkalinity should be maintained at 3–5 meq/L (8–14 dKH). Alkalinity should not be allowed to fall below 2 meq/L.