This product is totally fish safe and has been used in koi and native fish pond construction for over 10 years.
The Aquascape Professional Grade Black Waterfall Foam has more volume than the DIY size and it can be stored between uses on the full metal applicator gun which is purchased separately. This is perfect for pond builders between jobs and more economical in the long run. Using the applicator gun is a lot easier than the DIY product and there is more control over the usage. Gun cleaner is required when changing to a full can. This product will store on the gun for up to 6 months or 2 years unopened.
Black Waterfall Foam is a low expansion, high-density foam used in the construction of natural looking waterfalls and streams. It is fish safe and non-leaching.The Foam expands to fill voids between the rocks and liner, diverting water over the top of the stones. It cuts down the time required to build waterfalls and streams thanks to its quick curing time and ease of use.Waterfall Construction Foam has fundamentally changed the water feature construction industry because it simplifies waterfall construction and is easier to use than mortar. The foam will not crack in freezing temperatures or due to ground movement.
It does not break down, revert to a yellow colour or go flakey like many of the other brands coming on to the market.
Product is the Professional Foam Can only and requires Foam Gun Applicator to dispense its contents Sold Seperately.