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I've seen fellow reefers filling up half a TLF Phosban 150 reactor with Rowaphos for their 400L tanks in an attempt to reduce phosphates / nuisance algae. Ending up damaging corals due to zero phosphates in the system. From my understanding : Rowaphos is one of the more effective products out there as its made of virgin iron hydroxide media. Quite potent. Ideally fluidized in a reactor (but slow flow) to optimize contact with water Putting too much at one go will reduce phosphates too quickly and keep it too low. Ideal Phosphate level is less than 0.03ppm but it cannot be zero ppm. Salifert can measure a minimum of 0.03ppm. Most folks strive for 'undetectable'. But undetectable can be 0 ppm => too low. A Hanna phosphorous checker is best to measure such low levels. Found this online report about various media. A bit 'cheem' but it states that Rowaphos has the best absorbing capacity among the various brands. http://www.theaquariumsolution.com/files/Test report.pdf Density of rowaphos is 1200g/litre => 10ml = 12g of rowaphos Dosage : From the label, 100ml of Rowaphos with remove 3ppm of PO4 from 400 liters of water => 10ml of Rowaphos with remove 0.3ppm of PO4 from 400 liters of water For my 3ft tank, i put about 20-40ml (not too much) then change it every 1-2 months.

Letting go due to rescaping -$70 Around 6inches Self collect Taman Jurong

I've very good experiences with our LFS. Refernece to our regional, our livestock's price are generally lower. There are couple of LFS 's stock which i can basically placed in my DT right away without QT. In the recent year, i am pleased to see more exotic and rare fishes offered by our LFS especially Iwarna. Thumb up to them

You're right bro, you can't. But useful for tings like isolating livestock who may be fighting etc. Example, I just discovered my angel enjoys eating scolymia... Only found out after it ate half of a scoly I just bought, heart pain seah. Had to set up a seperate tank just to house that scoly... Troublesome Sent from my E6653 using Tapatalk

Not pricey at all IMO if you compare regionally. Even in Malaysia and Thailand the same fishes cost higher and consumers are more willing to pay. Iwarna has been selling too cheap for too many years as it was run more like a hobby. not as a business, as most reefers failed to realise. 生在福中不知福。 There are still cheap fishes like $1 chromis and $1 damsels. For other more exotic fishes Iwarna chooses to stick with more expensive and reliable suppliers to ensure fish quality. There will always be customers who will be more appreciative of iwarna's continued efforts to prevent diseased fish from crashing their customers' tanks. This opinion is solely my own and does not represent iiwarna's response.