Add 5 ml of Tetra AquaSafe for every 10 litres of newly added tap water directly into the aquarium

SPECIAL FEATURES: Vigorous plants

Lightweight Design: Weighing in at just the right amount

patching holes

Refill 100mm - MT4R

Pratley Pratlok® Grade 0-6 4 x 50g bottles PEAS Add 5 ml of TetraLow Strength. Typically for screws in the 0 6mm size range. Prevents loosening due to vibration. Seals the thread and retards corrosion. Colour coded lids, indicating strength. Suggested Uses: Use to eliminate loosening of fasteners such as screws, bolts, nuts and studs. Prevent slip or movement between press or slip fitted parts such as shafts, bearings and drives. Pratlok also seals the joint and prevents corrosion. And many more.