Rough summer/concrete dust

[mihaivapler]

Originally Posted by mihaivapler

it more likely from the self leveler,the dust from it..the self leveler contain some pretty nasty chemicals in it which in the moment when you start hammerit starts to get in the air and if you had the vent hole it might get in trough there and then combining with the water turns it in pure poison for you corals..the self leveler contains Ethylbenzene which is known to cause cancer and contains Butyl Benzyl Phthalate known tocause developmental reproductive toxicity..another component is the TITANIUM DIOXIDE which the same it might affected your water....probably the best solution would be to take all the corals out the water and the fish to and empty your tank and start it all over...the rock will contain all this substances to so a good bleach and cure of the rock would be necessary in order to get all the toxic chemicals out..
this is my advice as professional tile setter and fish keeper..

Found this data sheet for the self leveler..states clearly that affects the aquatic life.

Signal Word.............................................. ..... DANGER.
Hazard Classification.................................... . Skin Irritant 2. Eye Irritant 2. Skin Sensitizer 1. Reproductive 1B. Acute Toxicity 4. Aquatic
Chronic 1.
Hazard Description....................................... . H315 Causes skin irritation. H317 May cause an allergic skin reaction. H319 Causes
serious eye irritation. H332 Harmful if inhaled. H360 May damage fertility or the unborn
child. H410 Very toxic to aquatic life with long lasting effects.

Underlayment Self-Leveling contains silica, crystalline
quartz; portland cement; calcium aluminate;
anhydrite; limestone, calcium carbonate; aluminum
oxide; limestone; gypsum