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SpongExcel

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sizes

60ml, 125ml, 1L, 20L

Supplement for Increasing Growth Rates of Sponges & Gastropods

Technical Background

Rēplenish provides only those minor and trace elements found by oceanographers to exhibit non-conservative behavior in seawater (meaning that they are depleted by biological and chemical reactions taking place within the photic zone) and that are safe for human handling. Elements are present in natural seawater ratios (i.e. the ratios in which they are present in seawater). Since they are not depleted by biological nor chemical interactions, no minor or trace elements that are not expressly needed by aquatic organisms are present in this product; this includes unnecessary elements such as lithium, rubidium, and molybdenum.

Of the detectable elements in seawater, 11 are minor elements and 52 are trace elements. Between the two groups, at least 13 elements appear to be expressly-required for the growth of primary producers such as algae, and an additional 18 are either incorporated into living tissue/skeletal material or undergo chemical interactions that cause their depletion in surface waters. These elements are important to a number of enzymatic and vitamin-synthesis reactions for plants and animals alike; additionally, they influence pigmentation, and therefore coloration, of various organisms. Iron is utilized in the production of chloroplasts; it is very important to photosynthetic organisms such as phytoplankton, micro- and macroalgae, coralline algae, and zooxanthellae. Although iodine is a minor element, it is taken up by algae and aquatic plants more rapidly than other minor elements, and is not included in this product, but rather in separate supplements.

All Brightwell Aquatics liquid water care supplements are made with purified water and high purity materials. We develop formulae for aquaria based on empirical data, using observation and measurement rather than theory.

Instructions and Guidelines

Basic: Shake product well before using. Add ½ ml (~10 drops) of product per 25 US-gallons of aquarium water every other day. When used in this fashion, 250 ml treats up to 2,500 US-gallons (9,464 L).

Advanced: With the exceptions of iodine and iron, there are no hobbyist-grade test kits that provide reliable measurements of the concentrations of many minor and trace elements present in marine aquaria. It’s therefore not possible to chemically determine exactly how much of a trace and minor element supplement to dose; rather, you must rely on the appearance of the livestock to make that determination. We encourage new users of this product to dose 1 ml per 10 US-gallons weekly for the first four weeks of use; this corresponds to dosing 0.14 ml (~3 drops) per 10 US-gallons each day. Then, gradually increase the weekly dosage to 2 ml per 10 US-gallons over the following four weeks and maintain this dosage. Starting at a low dosage will not cause any harm to the livestock, and will enable you to notice subtle changes in the appearance of the system that indicate the effectiveness and need for the product. Daily dosing maintains more stable concentrations (and a more natural environment) than dosing weekly, in which the concentration of elements spikes just after dosing and then gradually decreases throughout the course of the week. Though trace elements are essential in reef and fish-only aquaria, the gross overdosing of a trace element supplement can be harmful to aquarium inhabitants. Minor and trace elements are made unavailable in marine aquaria largely by adsorption to particulate organic matter (POM); therefore, it is recommended that protein skimming and other means of POM removal from the aquarium be in operation at all times.

 

Caution: Keep out of reach of children. Not for human consumption.

Guaranteed Analysis

Zinc (min) 0.061 mg/oz.; Iron (min) 0.0063 mg/oz.; Manganese 0.00344 mg/oz.; (min)
Cobalt (min) 0.000344 mg/oz.

Ingredients
Purified water, Salts of Barium, Vanadium, Zinc, Nickel, Chromium, Iron, Manganese, Hafnium, Cobalt, Lanthanum, Neodymium, Cerium, Silver, Dysprosium, Gadolinium, Ytterbium, Erbium, Scandium, Samarium , Praseodymium, Holmium, Lutetium, Terbium, Europium, and Thulium

Description

Technical Background

Silica is an important nutrient in seawater; it is required by many organisms (primarily diatoms and sponges
in terms of total silica uptake) for the production of biomass, and is linked with the uptake of other nutrients, such as nitrogen and phosphorus, by these organisms. Sponges and diatoms can be significant nutrient sinks, and marine aquaria stocked with sponges, in particular, can benefit with the controlled addition of a silica solution. The natural seawater concentration of total silica is ~2.8 ppm, however this concentration varies by depth and region and is
likely to be excessive in most marine aquaria. Rather than attempt to maintain this concentration in an aquarium, it is advisable to begin at a very low concentration (e.g. 0.05 ppm) and gradually increase this with time as the rate of silica uptake in the system dictates. Systems with considerable sponge growth tend to be silica-limited, therefore maintaining a silica concentration of ~1 – 2 ppm is likely to be of benefit. Additionally, diatom growth may have
a significant impact on the rate of natural latent organic material uptake and recycling in marine aquaria, leading to improved water quality; diatoms are also a valuable food source for various grazing fishes and motile invertebrates. We are certainly not advocating that diatoms should be encouraged to grow unchecked in order to help improve water quality, however these organisms, in addition to sponges, can be a valuable part of a natural ecosystem
that converts latent organic material into desirable biomass and supports greater biodiversity in closed marine aquaria through the maintenance of diatom- and sponge-grazing organisms.

Instructions and Guidelines

Determine the silica concentration in the aquarium using an accurate test kit before supplementing. Identify all sources of silica in the aquarium (e.g. fresh water, salt mix, etc.) before determining a rate of dosing for this
supplement. Begin with a dosage of 1 drop per 20 US-gallons per day, which will increase the silica concentration in this volume by ~0.01 ppm. Observe sponges for signs of growth improvement for at least two weeks, which may be significant enough to notice within the first week of dosing. Allow two weeks at this dosage before increasing the dosing volume; increase dosage by up to 10% per week as the perceived silica requirements of the organisms dictate. Maintaining the silica concentration in a range of 0.5 – 2.0 ppm will generally suffice for most systems; in general, the greater the biomass of silica-dependant organisms and the more available other necessary nutrients are, the greater the demand for soluble silica becomes. If diatom growth becomes abundant, discontinue dosing for 3 – 4 days and then resume dosing at a lower dosage. Note that daily, rather than less frequent, dosing is strongly recommended, as adding a large amount of soluble silica to any marine aquarium all at once is highly likely to result in a diatom bloom. Each ml of Brightwell Aquatics SpongExcel will increase the concentration of soluble silica [SiO2] in 1 US-gallon (3.785 L) of water by ~4 ppm, or ~0.20 ppm per drop. Determine the required daily dosing rate (recommended to weekly dosing) by measuring the aquarium’s [SiO2] at the same time each day over a one- to two-week period. Estimate the volume of water in the entire aquarium system; divide the daily decrease in [SiO2] by 0.20; multiply this number by the volume of water in the system to get the daily dosage required (drops) to maintain a table
[SiO2].

 

A word about feeding Sponges:  Sponges need to be fed and respond well to Coral Amino and to Restōr, as well as our planktonic foods such as  PhytōChrōmPhytōGoldPhytōGreen, & Zooplanktōs.  In addition, it is absolutely necessary to use a silicate booster, such as SpongExel.  SpongExcel will cause sponges to uptake more latent organic matter and increase their growth rate, particularly in systems housing spongivorous fishes such as marine angelfishes, butterflyfishes and the like.

Caution: Silica solutions are caustic; in case of contact flush skin and/or eyes with fresh water for 15 minutes. Drink 16-oz. fruit juice if swallowed and seek immediate medical attention. Wear protective eyewear and gloves when handling. Keep out of reach of children. Not for human consumption.

Guaranteed Analysis

Silica (min) 15,140 ppm

Ingredients
Purified water, Sodium metasilicate

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