As the problem decreased, I slowly increased the light and got rid of the duckweed. However I started noticing the green spot algae (hard to spot though) on the aquarium glass and on some plant leaves. South Africa. Corals require phosphate levels below 0.2 mg/L in order to be healthy, while plants require phosphate levels between about 0.25-1 mg/l in order to live and grow. It is a filter adsorbent that removes phosphates, silicates, and organic nutrients. Phosguard 400 SL.pdf. Each 500 mL of PhosGuard™ treats over 600 L (150 gallons*) (i.e. Refer to the label for detailed application and crop/pest recommendations. Green tinting of the water is caused by algae species free-flowing in water (think green ponds). Quick Contact. Any tank that gets natural sunlight for a decent portion of the day will get algae (and this is not necessarily a bad thing). Continent * Country * Name * Tel Number * Email Address * Message . This stuff removes phosphates quick was really impressed how fast levels dropped. It is a nutrient source for corals and algae, a building block for living matter and is present in every reef tank. Pond PhosGuard™ is a non-herbicidal, environmentally sound approach to the problem of phosphate control in ponds. SeaChem PhosGuard is a fast-acting and effective way to lower phosphate in a reef tank. Its shape allows for maximum water flow through the media. I added phosguard filter media some time ago plus UV filter and CO2 and this algae appeared to be well-controlled now. Both of these resin filters are very useful but they are meant to clean different problems inside your fish tank or aquarium. However, if certain types of hair algae appear in your aquarium you may have a persistent problem that requires tougher measures. Some algae is easy to remove. Phosguard 400 SL SDS August 2017.pdf. Pond PhosGuard™ is spherical. A 2 Liter size treats over 600 US gallons. will remove up to 30 mg/L phosphate in 600 L (150 gallons*) of water, depending on the initial phosphate/silicate concentrations and the current biological load. Other Comment . ... Also I have tons of goodies coming in Friday and saterday, one of which is a 10 gallon tank so I can setup both QTs. Questions Regarding Seachem's After reading this thread I brought some Phosguard yesterday and have noticed a dramatic improvement in 24hours. Direct Search. Of course, you'll need to add shipping costs, where they apply. The Purigen is used for eliminating ammonia, nitrites and nitrates by removing nitrogenous organic waste while Phosguard is working against silicates and phosphate that results in growing algae in your water. All you need to do is scrub. I tested for phospates before using phosguard and a few hours later to see how well it worked. PhosGuard™ is not an exchange resin, it does not release anything into the water. PhosGuard, however, while not designed to remove diatom algae, is supposed to remove phosphates and SILICATES, which I was told the diatoms feed on in the water supply. I was using it to lower phosphates and silicates cause of a diatom problem it helped out. So if phosphates are causing your algae growths it will help strip away there food. Over treating is not recommended. PhosGuard™ absorbs phosphate, and while fish are more-or-less ambivalent about phosphate levels, plants and corals are not. To help keep water clean, use of a premium grade carbon will help reduce dissolved organics and slow the return of algae. I change out the media every couple of weeks so this bigger size bucket is ideal for me. Crop . This does a great job at keeping phosphates low in my 120 gallon reef tank. MetroKat December 13th, 2016. X. 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