Clearpond pH Up Powder for Fish Ponds 1kg
Special Price $24.95 was $29.95
Availability: In stock
Use if your pH is too low (too acidic) use a third of a cap for every 1000 litres of water.
Retest after 24 hours.
Ideally, pH is something that you want to alter slowly, over a few days if possible, so that your fish do not become stressed.