No.	PRODUCT	MANUFACTURER	PRICE	RATINGS	POPULARITY	LINK
1.	Tetra AquaSafe to Turn Tap Water into Safe and Healthy Water for Fish and Plants, 500 ml	Tetra	£10.00	(from 469 reviews)	7.8	VIEW PRODUCT
2.	Interpet Bioactive Tapsafe Aquarium Water Dechlorinator, 500 ml	Interpet	£9.25	(from 346 reviews)	7.4	VIEW PRODUCT
3.	Tetra NitrateMinus Liquid, Reduces Nitrate for All Freshwater and Marine Aquariums, 250 ml	Tetra	£6.92	(from 138 reviews)	7	VIEW PRODUCT