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Reef Builder
Reef Builder
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Overview

*Reef aquarium buffer raises carbonate alkalinity (KH) without immediately impacting pH
*Increases carbonate alkalinity (KH) without depleting calcium, magnesium, or strontium
*Use as directed to maintain alkalinity level vital for healthy coral growth in reef aquariums

Raise and maintain carbonate alkalinity (KH) without impacting pH. Seachem Reef Builder supplies bioactive calcium, magnesium, and some trace elements for corals. Seachem Reef Builder contains time-release ingredients, including chelating agents, to make essential elements biologically available.

To control pH and alkalinity, use, Seachem Reef Buffer, but to promote active growth of corals, use Reef Builder alone, or with Marine Buffer. 300 grams treats 4,800 gallons of saltwater.

Why it's Different
Unlike the competition, Seachem Reef Builder contains calcium, magnesium, and strontium to compensate for the inevitable loss, which occurs when raising alkalinity. It also contains sufficient magnesium to restore magnesium routinely depleted.

Directions for Use
Beginner:
Use 3 g (half a level teaspoon*) per 150 L (40 gallons*) twice a week. Dissolve in at least 250 mL (1 cup*) of freshwater. Check alkalinity every 2 weeks and adjust amount or frequency accordingly.

Advanced:
Check alkalinity, then follow addition regimen above until alkalinity is adjusted to 4–5 meq/L. Each 3 g/150 L will raise alkalinity by about 0.25 meq/L. Quantity or frequency can be adjusted, but do not exceed 12 g/150 L per day. Thereafter, use as required to maintain alkalinity.

Expert:
After determining the alkalinity consumption rate, set up a continuous drip system. Use the following formula to determine how much to add to your top-off water: m=0.08va (m=grams to add to top off water, v=volume of tank in liters, a=amount to raise alkalinity in meq/L). For example, if you want to raise your alkalinity by 1 meq/L in a 200 liter tank, then you would add 0.08x200x1=16 g into the top-off water.

[For reference: 1 gallon*=3.8 liters, 6 g=1 teaspoon*]

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