products
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Sea Lab Trace Element Blox ®
(available as nuggets, 1/2 lb., 2 lb. box – for 20 gallons, and 1 kilo – for 1200 gallons)

When using
Tri Base Pelletized Carbon (TBPC) for your bio media and filtration system, it will absorb trace elements that you add to your aquarium water. By using the Sea Lab Trace Element Blox the needed trace elements are added to the tank automatically. NO measuring and NO worry that your marine animals are not getting the sufficient trace elements they require.

Sea Lab Trace Element Blox are compatible with all types of marine mix and natural seawater. They are compatible with all conventional filtering materials such as sand, gravel, activated carbon, bio media, TBPC, polyester fiber materials, and urethane foams.

CAUTION: Some synthetic resin filtering materials may release ammonia back into the system when water chemistry is normalized by water change. If you are using such materials, remove the recharge, or replace them before adding the Trace Element Blox.

Recommended Dosages
Dosage is not critical and the Blox cannot be overdosed.
Use 1 nugget for 10 gallons, and 1 blox for 50 gallons until it is dissolved. (If you overdose, the Phosphate is elevated and the algae loves it.)

The blox should be placed under the sand next to the glass. When they are dissolved, then another one is added. This way, the blox will not be worn down by water abrasion.

Elements Provided (in ppm or mg/L)
The Blox dissolve only to replace depleted elements. Obligatory Buffers supply elements at the same concentrations found in the sea. These include calcium, strontium, and all trace elements.
Aluminum 0.01
Molybdenum 0.01
Boron 4.6
Nickel 0.002
Calcium 400.00
Selenium 0.004
Chromium 0.00005
Silicon 3.0
Cobalt 0.0005
Silver 0.0003
Copper 0.003
Strontium 8.0
Fluorine 1.3
Tin 0.003
Iodine 0.06
Vanadium 0.002
Iron 0.01
Zinc 0.014
Manganese 0.002

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technical
For more detailed instructions on how to use our products, please visit the Technical section. This section includes FAQs (frequently asked questions), and Testimonials, which are updated on a regular basis.

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