Welcome to Defender Canada! 
Plumbing Chemicals
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Forespar Refresh Marine Head and Tank Deodorizer
$21.56 - $25.23 -
Dometic Natural Max Control Holding Tank Deodorant
$29.56 - $72.17 -
9% offRaritan ManaGerm Enzymes - 3 oz - 640121
$44.38$40.00 -
Seachoice Concentrate Marine Descaler - 1 gal - 90801
$76.55 -
Seachoice Head Treatment
$28.48 - $70.71 -
Star Brite Marine Descaling Fluid
$45.89 - $92.61 -
Star Brite Fresh Pine Instant Fresh Holding Tank Treatment
$21.04 - $27.63 -
Star Brite Odor Away Holding Tank Treatment
$31.26 -
Star Brite Instant Fresh Toilet Treatment
$21.86 - $47.33 -
Star Brite NosGuard Premium RV Odor Eliminator - 079950
$31.24 -
Star Brite Bio Odor Holding Tank Treatment - 075008
$32.72 -
Star Brite AQUA Water Tank & System Flush - 032300
$57.57 -
9% offRaritan Potty Pack - 1PPOT
$38.57$34.77 -
Trac Ecological Descaler - 1204-MG
$53.20 -
Trac Ecological Barnacle Buster Concentrate
$48.78 - $145.18 -
Groco U-Lube Cartridge (2-Pack) - 3 oz - ULUBE-3
$35.62 -
Thetford AquaBio Toss-Ins Holding Tank Treatment - 96590
$23.23 -
Trac Ecological Sew Clean Concentrate
$45.86 - $136.42 -
Star Brite Water Treatment & Freshener
$16.28 - $25.30 -
9% offRaritan K.O. Kills Odors Bioactive Treatment
$20.95 - $76.55$18.92 - $68.96 -
Salt-Away Concentrate Refill
$31.26 - $78.01 -
Thetford Aquamax Spring Showers Holding Tank Treatment
$17.88 - $61.95 -
Trac Ecological Descaler Concentrate - 1212-MG
$134.96 -
Trac Ecological Barnacle Buster - 1208-MG
$54.65 -
Trac Ecological PSR Water System Cleaner - 1222-MG
$146.64 -
Thetford Aquamax Holding Tank Treatment Dry Packets - Spring Showers - 96633
$20.63 -
Thetford Aquamax Holding Tank Treatment Toss-Ins - Spring Showers - 96631
$24.02 -
Thetford Aquamax Holding Tank Treatment Toss-Ins Tub - Spring Showers - 96632
$38.56 -
Thetford Tank Blaster - 96527
$18.22 -
26% offSudbury Aqua Fresh - 830
$25.05$18.42 -
Sudbury Marine Toilet Conditioner - 825Q
$26.34 -
Star Brite Aqua Water Shock - 97116
$25.26 -
Star Brite Salt Off with Applicator Kit - 94000
$48.78 -
Star Brite Toilet Bowl Cleaner and Lubricant - 86416
$18.98 -
9% offRaritan C.H. Cleans Hoses - 1PCHGAL
$212.34$191.17 -
9% offRaritan C.H. Uric Scale Dissolvant - 1PCHQT
$72.15$65.00 -
9% offRaritan C.P. Clean Potties Bio-Enzymatic Toilet Bowl and Drain Cleaner - 1PCP32
$21.07$19.03 -
9% offRaritan K.O.2 Knock Out Odors Kit - KO2
$295.54$266.05 -
Forespar EcoTankPro Tank Deodorizer and Waste Digester - 770350
$41.42 -
Dometic Max Control Advanced Granulated Holding Tank Deodorizer - 379711001
$25.27 -
40% offCamco Fresh Water De-Winterizer and Revitalizer - 40218
$28.32$16.80 -
Camco TastePURE Spring Fresh - 40207
$34.21