You can slowly lower the GH with a mix of tap/RO (or distilled) water.
Hi Hazcat,Hi all I have just done a 1/3 water change on my tank and with that I've done my water tests.
2 issues I came across and 1 I don't really know how to fix.
My Ph was a little elevated (7.0-7.3 range, did the water change 2 days late and I think my filter may be a little small?)
But my main issues is my GH is off the chart....like 400ppm...:-(
I have all fish that require soft water and at this stage it's clearly not soft.
Does anyone know the best way to safely lower the GH over time without affecting / stressing the fish?
I have Clown Loaches, Flying Foxes, Neon Tetras and Black Widow Tetras.
My numbers were
PH between 7.0 - 7.3
KH 4 drops (3-6 drops 50-100ppm)
GH 21 drops (11-22 drops 200-400ppm)
Thanks in advance
8 drops is
8 x 17.9 = 143 ppm.
Not nearly as bad as the over 200 it had seemed.
Still, those fish may like the organic acids that peat adds to the water. I run peat in several tanks.
Peat often refers to sphagnum peat moss.